Harmful synonyms

härm'fəl
Category:
Part of speech:
Tending to impair or damage; injurious; mischievous; occasioning loss or injury.
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The definition of mischievous is someone or something that causes harm or likes to play and annoy with tricks.
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Capable of causing injury or death, especially by chemical means; poisonous.
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Causing harm or injury
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Likely to cause harm or damage
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Consuming or tending to consume.
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Distressing or embarrassing:
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Harmful or evil in intent or effect.
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Unfavorable; harmful
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Not harmful.
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Of, pertaining to, or as a result of malice or spite
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Very harmful, dangerous, or virulent
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Containing or consisting in sin; contrary to the will of a god, goddess, gods and/or goddesses.
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Causing great injury, destruction, or ruin; fatal; deadly
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Portending harm; ominous.
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Like or constituting a pestilence; widespread and deadly
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Containing organisms that cause contagious diseases
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Having a harmful effect; injurious:
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Capable of causing utter destruction or serving to destroy utterly:
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Causing harm or injury
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Dire is defined as something that is urgent.
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Causing or leading to disease
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Causing harm or injury
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Causing prejudice, or harm; injurious; detrimental
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Deteriorated from the normal or standard
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Beguiling but harmful; alluring:
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Involving or resulting in substantial, often ruinous medical expense:
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Of the nature of a disaster; causing great harm, damage, etc.; calamitous
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(Slang) Extraordinary; remarkable
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(Informal) Capable of devastating or overwhelming:
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Causing harm or injury
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Causing harm or injury
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Tending or likely to cause destruction
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Harmful to morals or character
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Causing harm or injury
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Capable of leading to physiological or psychological dependence:
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That literally deprives of life; lethal, deadly, fatal.
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Very destructive; most unfortunate; disastrous
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Conceivable; imaginable:
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Really intending what is said; being in earnest; not jesting or deceiving; meaningful.
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Of high price or value; expensive:
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Causing harm or injury
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Causing harm or injury
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Causing harm or injury
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Painful to the touch; tender.
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Of, relating to, or pertaining to an extirpation.
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Causing harm or injury
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Fierce; terrible; cruel
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Very wicked or cruel
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Plain and direct, although distressing in effect
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Of, pertaining to or resembling Satan (the Devil).
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Possessed, produced, or influenced by a demon:
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Promising trouble; unfavorable; unfortunate; unpropitious
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Causing suffering; hard to bear; severe
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Causing or capable of causing death; fatal or deadly
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Malevolent is defined as someone or something that is harmful or evil.
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Of or caused by mephitis
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(Zool.) Having a poison gland or glands and able to inflict a poisonous wound by biting or stinging
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(Slang) Cool; awesome; neat.
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Of, relating to, being, or having the quality of felony; malignant; malicious; villainous; traitorous; perfidious.
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Full of painful yearning or sorrow:
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Causing harm or injury
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Open to objection
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Extremely vexatious or difficult
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Resulting or likely to result in misfortune; inauspicious:
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Showing ill will; malicious
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Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
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Offensive to the senses; disgusting, unpleasant, nauseous; foul, fetid, especially having an undesirable smell; sickening, nauseating.
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Very great; extreme
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Having the quality of fretting or vexing.
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(Philosophy) Free of empirical elements:
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Healthy.
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(Especially when capitalized) Holy.
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Causing danger; ready to do harm or injury.
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Very harmful; destructive
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Specifically, giving indication of a coming ill; being an evil omen; threatening; portentous; inauspicious.
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Capable of injuring or killing by or as by poison; containing, or having the effects of, a poison; toxic; venomous
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Naughty in a playful way; mischievous
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Causing damage or harm; injurious.
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Depending on chance; risky.
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Very unpleasant; objectionable
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Harmful to the mind or morals; corrupting:
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Likely to cause death; deadly
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Bringing or tending to bring ruin; very destructive or harmful; disastrous
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Not safe; dangerous.
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Not intended to harm or offend; inoffensive.
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The definition of helpful is someone or something that is useful, that provides assistance or aid, or that is prone to providing aid.
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injurious, hurtful
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injurious, hurtful
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Used as an intensive with and :
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(Computing, programming, slang) undesirable; harmful; bad practice
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Causing harm or injury
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Having or exerting a malignant influence.
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Causing harm or injury
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Characterized by struggle within a group, usually applied to an ethnic or familial relationship.
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Like an enemy; hostile; unfriendly
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Causing harm or injury
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Causing or intending harm or evil; wicked:
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Tending or seeking to subvert, overthrow, or destroy (an established government, institution, belief, etc.)
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Causing or designed to cause fires, as certain substances, bombs, etc.
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Extremely hostile or malicious:
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Concerning or involving calamity, disastrous.
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Of or pertaining to a cataclysm; causing great destruction or upheaval; catastrophic.
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Causing harm or injury
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Find another word for harmful. In this page you can discover 120 synonyms, antonyms, idiomatic expressions, and related words for harmful, like: hurtful, menacing, mischievous, toxic, wounding, bad, ill-omened, baleful, nocuous, consumptive and painful.