What does caustic mean?

Definitions for caustic
ˈkɔ stɪkcaus·tic

This dictionary definitions page includes all the possible meanings, example usage and translations of the word caustic.

Princeton's WordNet

  1. causticadjective

    any chemical substance that burns or destroys living tissue

  2. acerb, acerbic, acid, acrid, bitter, blistering, caustic, sulfurous, sulphurous, virulent, vitriolicadjective

    harsh or corrosive in tone

    "an acerbic tone piercing otherwise flowery prose"; "a barrage of acid comments"; "her acrid remarks make her many enemies"; "bitter words"; "blistering criticism"; "caustic jokes about political assassination, talk-show hosts and medical ethics"; "a sulfurous denunciation"; "a vitriolic critique"

  3. caustic, corrosive, erosive, vitriolic, mordantadjective

    of a substance, especially a strong acid; capable of destroying or eating away by chemical action


  1. causticnoun

    Any substance or means which, applied to animal or other organic tissue, burns, corrodes, or destroys it by chemical action; an escharotic.

  2. causticnoun

    The envelope of reflected or refracted rays of light for a given surface or object.

  3. causticnoun

    The envelope of reflected or refracted rays for a given curve.

  4. causticnoun

    caustic soda

  5. causticadjective

    Capable of burning, corroding or destroying organic tissue

  6. causticadjective

    sharp, bitter, cutting, biting, sarcastic

  7. Etymology: From the Greek καυστός, via the Latin causticus.


  1. caustic

    Caustic typically refers to a substance that is able to burn or corrode organic tissue by chemical reaction. In a broader sense, it can also describe a style of speaking or writing that is harshly critical, bitter or sarcastically mocking.

Webster Dictionary

  1. Causticadjective

    alt. of Caustical

  2. Causticadjective

    any substance or means which, applied to animal or other organic tissue, burns, corrodes, or destroys it by chemical action; an escharotic

  3. Causticadjective

    a caustic curve or caustic surface

  4. Etymology: [L. causticum (sc. medicamentum). See Caustic, a.]


  1. Caustic

    Caustic is an American industrial band based out of Madison, WI, created in 2002 by DJ Matt Fanale, who is the sole consistent member. The band's live lineup varies quite a bit, largely depending on the location of the show. Caustic's lyrics are typically humorous, while the music itself ranges between older styled industrial and more modern styled powernoise. Caustic has performed live at a number of international industrial music festivals, including the 2005 and 2006 Providence Industrial Festival and the 2006 Blacksun, Reverence, Indoctrination, and the UK's Infest Festival in 2007.

Chambers 20th Century Dictionary

  1. Caustic

    kaws′tik, adj. burning: (fig.) bitter, severe, cutting: (math.) noting an envelope of rays of light proceeding from a fixed point and reflected (catacaustic) or refracted (diacaustic) by a surface or a curve.—n. a substance that exerts a corroding or disintegrating action on the skin and flesh.—adv. Caus′tically.—n. Caustic′ity, quality of being caustic.—Caustic alkali (chem.), a name given to the hydrates of potassium and sodium, called caustic potash and caustic soda respectively; Caustic ammonia, ammonia as a gas, or in solution; Caustic lime, quicklime.—Common caustic, potash; Lunar caustic, nitrate of silver in sticks for surgical use. [L.,—Gr. kaustikoskai-ein, kaus-ein, to burn.]

Suggested Resources

  1. caustic

    Song lyrics by caustic -- Explore a large variety of song lyrics performed by caustic on the Lyrics.com website.

How to pronounce caustic?

How to say caustic in sign language?


  1. Chaldean Numerology

    The numerical value of caustic in Chaldean Numerology is: 3

  2. Pythagorean Numerology

    The numerical value of caustic in Pythagorean Numerology is: 4

Examples of caustic in a Sentence

  1. Robert Morrow:

    I put out caustic and inflammatory tweets because I am trying to educate people.

  2. Lori Prentice:

    There is a strong probability that someone who finally found the courage to contact the suicide hotline couldn’t get through due to Jarrar’s caustic misdirection.

  3. Republican Michigan Rep. Todd Courser:

    I can say nothing prepared me for the caustic nature of the Lansing mafia, the entirety of the state House and state government is controlled and manipulated for the political advantage and to the benefit of the establishment powers.

  4. Micheal Austin:

    It is also the first electric vehicle with an entirely environmentally stable and inert battery chemistry, there are no heavy metals or caustic materials used in the manufacturing of the BYD iron-phosphate battery.

  5. Anthony Trollope:

    The satirist who writes nothing but satire should write but little -- or it will seem that his satire springs rather from his own caustic nature than from the sins of the world in which he lives.

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Translations for caustic

From our Multilingual Translation Dictionary

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"caustic." Definitions.net. STANDS4 LLC, 2023. Web. 30 Sep. 2023. <https://www.definitions.net/definition/caustic>.

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