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Caustic synonyms and antonyms

kô'stĭk

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Part of speech:

tart
Having a sharp pungent taste; sour.
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astringent
That contracts bodily tissue and checks secretions, capillary bleeding, etc.; styptic
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burning
Marked by flames or intense heat:
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strongly alkaline
Corrosive
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erosive
Causing or tending to cause erosion
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biting
Sarcastic; caustic
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sharp
Sudden and shrill:
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stinging
Having the capacity to sting.
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acid (related)
Acid is defined as something that has a sour taste, or something that has a pH of less than 7 in chemistry.
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alkaline (related)
Relating to an alkali compound.
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sarcastic (related)
The definition of sarcastic is a description of a sneering or ironic remark or someone who makes such remarks.
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abrasive
Causing abrasion:
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acidulous
Somewhat sarcastic
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acrid
Acrid is defined as a sharp, bitter taste or smell that is unpleasant.
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acrimonious
Bitter and caustic in temper, manner, or speech
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bitter
Designating or having a sharp, often unpleasant taste; acrid, as quinine or peach stones
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catheretic
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corrosive
Eating away; having the power of gradually wearing, hanging, or destroying the texture or substance of a body; as the corrosive action of an acid.
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crisp
Brittle; friable; in a condition to break with a short, sharp fracture.
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cutting
Capable of or designed for incising, shearing, or severing:
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gnawing
(Of pain or hunger) severe or intense
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incisive
Having the quality of incising, cutting, or penetrating, as with a sharp instrument; sharp; acute; sarcastic; biting.
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ironic
Having the quality of irony; directly opposite to what is or might be expected
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keen
Acutely sensitive:
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lye
A strong alkaline solution or solid of potassium hydroxide or sodium hydroxide, made by allowing water to wash through wood ashes. It is used to make soap and drain and oven cleaners. Chemical formula: KOH or NaOH.
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malevolent
Having an evil or harmful influence
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mordacious
Sharp or caustic in style or tone.
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mordant
Having or showing a sharp or critical quality; biting; caustic; sarcastic; keen; severe.
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pungent
Having a strong taste that stings the tongue, said especially of hot (spicy) food, which has a strong and sharp or bitter taste.
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rough
Not polished; uncut; said of a gem.
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satirical
Of, like, or containing satire
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severe
Stern or forbidding, as in manner or appearance:
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trenchant
Keen; penetrating; incisive
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virulent
Able to overcome the natural defenses of the host; highly infectious
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vitriolic
The definition of vitriolic is something said or written that is very caustic or biting.
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alkali
Any base or hydroxide, as soda, potash, etc. that is soluble in water and gives a high concentration of hydroxyl ions in solution; specif., any of the hydroxides and carbonates of the alkali metals
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causticity
(Figuratively) Being caustic in speech, humour etc.
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lime
Any of several evergreen trees or shrubs of the genus Citrus having edible green or greenish-yellow fruit, especially the Mexican lime and the Persian lime.
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malevolence
Malevolent behavior.
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mordacity
The quality of being mordacious; biting severity, or sarcastic quality.
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phenol
Any of a class of organic compounds that contain a hydroxyl group (OH) attached to a carbon atom that is part of an aromatic ring. Phenols are similar to alcohols but are more soluble in water, and occur as colorless solids or liquids at room temperature. Some phenols occur naturally in the essential oils of plants. Phenols are used in industry to make plastics and detergents.
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spinosity
The condition of being spinose
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virulence
The relative infectiousness of a microorganism causing disease
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mild (antonym)
(Of a rule or punishment) Of only moderate severity.
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soothing (antonym)
Giving relief.
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calm (antonym)
The definition of calm is someone or something who is peaceful and free from stress or worries.
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unsarcastic (antonym)
Not sarcastic.
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nice (antonym)
1822, T. Creevey, Reminiscences, 28 Jul:
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kind (antonym)
Mild, gentle, forgiving
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acerbic
Sharp or biting, as in character or expression:
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acidic
(Mineralogy) Containing a high percentage of silica; opposed to basic.
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slashing
Dashing; pelting:
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truculent
Eager or quick to argue, fight or start a conflict.
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attack (related)
Designed or used for carrying out a hostile or aggressive attack
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respect (related)
So sharp as to cause mental pain
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blistering
Harsh; severe:
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sulfurous
Characteristic of or emanating from burning sulfur.
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sulphurous
(Chiefly UK) Alternative spelling of sulfurous.
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sardonic (related)
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Find another word for caustic. In this page you can discover 61 synonyms, antonyms, idiomatic expressions, and related words for caustic, like: tart, astringent, burning, strongly alkaline, erosive, biting, sharp, scathing, stinging, acid and alkaline.
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Caustic Sentence Examples

  • Obviously he was annoyed by her caustic tone.

  • His caustic expression served as a catalyst to her boredom.

  • Seeing him, Kutuzov's malevolent and caustic expression softened, as if admitting that what was being done was not his adjutant's fault, and still not answering the Austrian adjutant, he addressed Bolkonski.

  • He appeared unperturbed by her caustic question.

  • They are precipitated from their alkaline solutions as cobalt sulphide by sulphuretted hydrogen, but this precipitation is prevented by the presence of citric and tartaric acids; similarly the presence of ammonium salts hinders their precipitation by caustic alkalis.

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