Uncertain Synonyms and Antonyms

ŭn-sûr'tn

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Synonyms for Uncertain

Not specifically known or ascertained:
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The definition of doubtful is suspicious, unclear or unsure.
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Not determined
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Unable to be predicted.
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Precarious; unstable; unreliable.
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Not determined
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Fond of controversy; disputatious.
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Causing or giving rise to distrust.
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Not confident; filled with anxieties; apprehensive
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Uncertain; subject to future change.
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A state of being uncertain or unstable.
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Skepticism is a general attitude of distrusting or doubting.
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Uncertainty is defined as doubt.
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Of or characteristic of skeptics or skepticism
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Not likely to happen.
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Not fixated or fixed; moving or changing freely
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(Somewhat colloquial) Apropos of nothing; lacking context; unexpected; having apparent lack of plan, cause, or reason.
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The definition of chance is accidental or not expected or planned.
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Happening by chance; not planned; incidental
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Not promising; likely to fail.
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The definition of haphazard is something disorganized or without any particular order to it.
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Not clear in meaning or expression; inexplicit.
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Not determined
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Happening by or subject to chance or accident; unpredictable:
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Capable of being changed, changeable, mutable
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(Medicine) Capable of being moved or compressed. Used of an abnormal mass such as a tumor or abscess.
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Capable of happening but of uncertain likelihood:
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Not having been announced:
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Quick to change one’s opinion or allegiance; insincere; not loyal or reliable.
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Characterized by a mixture of opposing elements and therefore questionable or uncertain:
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Doubtful or uncertain in its outcome
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Not definitely as specified; uncertain
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(Logic) One of the basic states or classifications described by Aristotle into which all things can be placed; a category.
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The definition of a quandary is a dilemma or a state of uncertainty.
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Showing bad taste.
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Filled with clouds.
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Open to argument:
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Being such that formal argument or discussion is possible.
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Of opinions, propositions or questions, subject to dispute; not settled.
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Liable to exception; open to objection
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(Law) Not presenting an open legal question, as a result of the occurrence of some event definitively resolving the issue, or the absence of a genuine case or controversy.
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Capable of being mooted.
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Doubtful or uncertain:
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Uncertain; unclear.
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Not explicit; vague; indefinite; general
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Cloudy, misty, or hazy.
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Completely obvious; blatant:
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Inconstant in purpose, or volatile in behaviour.
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A factor or condition that is subject to change, especially one that is allowed to change in a scientific experiment to test a hypothesis.
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Having or exhibiting variation; varying:
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Of diverse kinds:
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The definition of capricious is someone or something that is subject to sudden, unpredictable changes.
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Being such that alteration is possible:
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Having no fixed course or purpose; irregular; random; wandering
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Seemingly impossible; incredible
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Displaying or marked by a lack of consistency, especially:
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Not constant; changeable
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The definition of mercurial is changeable or fickle.
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Subject to changing and unpredictable emotional states; moody, capricious; sometimes used figuratively to describe user-unfriendly or unstable machines or software that are either complicated and/or have poorly written instructions and are subsequently difficult to operate.
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Very sensitive or easily upset; touchy
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(Of a situation) potentially violent.
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Playful or fanciful, especially in a humorous way:
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Not having been sealed.
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Of questionable character:
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Doubtful in mind
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Not determined
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In the nature of a conjecture, or based on a conjecture.
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Given to the use of hypotheses
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Limited to or based on theory; not practical or applied; hypothetical
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Not determined
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Disputed, under discussion, not settled.
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Able to be conjectured upon.
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Not known; unidentified; not well known.
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Not precise or exact; containing some error or uncertainty.
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Not determined
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Not determined
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Alternately having one opinion or feeling, and then the opposite.
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Of or resembling the mineral amphibole.
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On the ocean; on a boat on the ocean.
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(Scot.) Bringing good luck
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Subject to doubt or question; uncertain.
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Pertaining to an enigma.
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Capable of making mistakes or being wrong.
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Characterized by irregular or intermittent activity, impulses, etc.; spasmodic; restless
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Not affording certainty
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Somewhat vague, obscure, confused, or indefinite
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The definition of hesitant is someone or something that is tentative, cautious or unsure.
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Not affording certainty
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(Informal) Not definite; containing doubtful elements; dependent upon varying conditions
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(Not comparable, mathematics) Impossible to calculate.
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Not conclusive:
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Characterized by indecision; hesitating or vacillating
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Uncertain; undecided:
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The definition of irregular is something that doesn't conform to accepted or normal standards or that doesn't occur at regular intervals.
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Unsure of how to act or proceed; undecided.
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Of, or pertaining to, the penumbra.
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Dependent upon the will or favor of another person
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Expressing inquisitive interest:
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(Christianity) Not having undergone the ritual of confirmation.
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That has not been formalized.
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Having or showing keen foresight and imagination
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The definition of ambiguity is a word or sentence that is not clear about the intention or meaning.
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In psychology, ambivalence is defined as the mental disharmony or disconnect a person may feel when having both positive and negative feelings regarding the same individual.
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Something whose occurrence depends on chance or uncertain conditions; a possible, unforeseen, or accidental occurrence
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The definition of a dilemma is a situation where there is no clear easy choice or answer.
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(Obs.) Apprehension or fear
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A doubtful thing
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(Rare) The state or characteristic of being dubious.
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In medicine, a wave-like motion or undulation of a fluid in a natural or abnormal cavity (e.g. pus in an abscess), which is felt during palpation or percussion.
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The quality of being fortuitous
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(Countable) A fortuitous event; an accident
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Uncertainty.
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Lack of determination
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Lack of exactitude; inexactness.
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The definition of a penumbra is the lighted area around the shadow of a planet or moon during an eclipse.
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Difficult to understand.
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Casting shade:
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Open to or viewed with suspicion:
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The definition of suspicious is someone or something questionable or likely to be suspect.
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Like a fish in odor, taste, etc., specif., strongly or undesirably so
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Like a fluid; that can change rapidly or easily; not settled or fixed
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(Programming, of a variable) Having a value that is changeable during program execution.
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Antonyms for Uncertain

Tort law: Of an action or event, that it was predictable or should be anticipated.
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That cannot be doubted, questioned, or disputed; absolutely true; certain
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The definition of definite is something that has limits, is clear in meaning, absolutely true and positive.
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The definition of determined is someone with their mind made up about something.
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Reliable; dependable
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Closed by a seal.
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Words Related to Uncertain

Named but not known or previously mentioned:
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Free from doubt or confusion; certain:
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Following no predictable pattern
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Following no predictable pattern
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Characterized by truth; not false:
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Find another word for uncertain. In this page you can discover 158 synonyms, antonyms, idiomatic expressions, and related words for uncertain, like: undetermined, up-in-the-air, doubtful, suppositional, undecided, unsettled, in doubt, unpredictable, unsure, open to question and perplexing.