Word.ws English Dictionary

caustic

UK/ˈkɔːstɪk/

More pronunciations (1)Fewer pronunciations

Australia/ˈkoːstɪk/

caustic adjective: capable of burning, corroding or destroying organic tissue.

Adjective

caustic (comparative more caustic, superlative most caustic)

  1. Capable of burning, corroding or destroying organic tissue.
  2. (usually) Sharp, bitter, cutting, biting, and sarcastic in a scathing way.
    • "How now!" said Scrooge, caustic and cold as ever.1843, Charles Dickens, A Christmas Carol
    • The bargain was not concluded as easily as might have been expected though, for Scadder was caustic and ill-humoured, and cast much unnecessary opposition in the way1843, Charles Dickens, Martin Chuzzlewit

Noun

caustic (countable and uncountable, plural caustics)

  1. Any substance or means which, applied to animal or other organic tissue, burns, corrodes, or destroys it by chemical action; an escharotic.
    • The association of the heavenly bodies with known metals and also with human organs and destinies goes back to ancient Chaldea, the land of astrologers. In Chaucer’s words: ‘The seven bodies eek, lo hear anon. Sol gold is, and Luna silver we declare; Mars yron, Mercurie is quyksilver; Saturnian...2013, John Read, From Alchemy to Chemistry
  2. The envelope of reflected or refracted rays of light for a given surface or object.
  3. The envelope of reflected or refracted rays for a given curve.
  4. (informal, uncountable) Caustic soda.

caustic meaning in Hindi, Tamil, Marathi and Urdu

caustic in Hindi

कास्टिक, कौस्टिक

caustic in Tamil

கடுமையான, குத்தலான, வெறுப்பூட்டுகின்ற, எரிப்புள்ள, எரிநிலைக்குரிய, காரமாய்

caustic in Marathi

कास्टिक, कास्टीक, कॉस्टिक

caustic in Urdu

کھارا, تیز
More languagesFewer languages
caustic in Bengali
ক্ষয়কারী, তীব্র ব্যঙ্গাত্মক
caustic in Telugu
కాస్టిక్
caustic in Malayalam
മനസ്സിനെ വേദനിപ്പിക്കുന്ന, അതിരൂക്ഷമായ, പൊള്ളുന്ന
caustic in Kannada
ಸೊಡ, ಕೊರೆವ, ಕಟುವಾದ, ಮರ್ಮಭೇದಕವಾದ
caustic in Punjabi
ਕਾਸਟਿਕ, ਕੌਸਟਿਕ, ਕੌਸਟੀਕ
caustic in Gujarati
કાસ્ટિક, કોસ્ટિક, કાસ્ટીક
caustic in Odia
କଷ୍ଟିକ୍, କାଷ୍ଟିକ୍, କାଷ୍ଟିକ
caustic in Nepali
कास्टिक, कस्टिक

Examples of caustic in a sentence

  • Madame Beck esteemed me learned and blue; Miss Fanshawe, caustic, ironic, and cynical1853, Charlotte Brontë, Villette:
  • The Secretary and the Assistant-Secretaries would say little caustic things about him to the senior clerks, and seemed somewhat to begrudge him his new honours.1857, Anthony Trollope, The Three Clerks:
  • this set of worthies, who were only too prone to shut up their emotions with caustic words.1886, Thomas Hardy, The Mayor of Casterbridge:
  • though he came too late / To join the martyrs, there was still a place / Among the tempters for a caustic tongue / / To test the resolution of the young / With tales of the small failings of the greatc. 1930, W.H.Auden, The Quest:

All 14 example sentences with caustic

Synonyms of caustic

5 more synonymsFewer synonyms

All synonyms of caustic

Forms of caustic

Adjective
comparativemore caustic
superlativemost caustic
Noun
pluralcaustics

Origin of caustic

From the Latin causticus (“burning”), from Ancient Greek καυστικός (kaustikós, “burning”), from καυστός (kaustós, “burnt”) + -ικός (-ikós).

Words formed from caustic

Phrases with caustic

Words that rhyme with caustic

Questions about caustic

What does caustic mean?
Caustic means capable of burning, corroding or destroying organic tissue.
What is caustic in Hindi?
Caustic in Hindi is कास्टिक, कौस्टिक. See Caustic meaning in Hindi.
How do you use caustic in a sentence?
Madame Beck esteemed me learned and blue; Miss Fanshawe, caustic, ironic, and cynical
What part of speech is caustic?
Caustic can be an adjective or a noun.
How do you pronounce caustic?
Caustic is pronounced /ˈkɔːstɪk/ (UK).

Words near caustic in the dictionary

  1. causingness
  2. causitive
  3. Causley
  4. Caussade
  5. Causses
  6. caustic
  7. caustic alkali
  8. caustic alkalis
  9. caustic ammonia
  10. caustic barley
  11. caustic curve

Source and license

Adapted from Wiktionary: caustic (page history and authors); caustic (Hindi, IndicTrans2 machine translation) (model and license); caustic (Tamil Wiktionary) (page history and authors); caustic (Marathi, IndicTrans2 machine translation) (model and license); caustic (Urdu Wiktionary) (page history and authors); caustic (Bengali Wiktionary) (page history and authors); caustic (Telugu, IndicTrans2 machine translation) (model and license); caustic (Malayalam Wiktionary) (page history and authors); caustic (Kannada Wiktionary) (page history and authors); caustic (Punjabi, IndicTrans2 machine translation) (model and license); caustic (Gujarati, IndicTrans2 machine translation) (model and license); caustic (Odia, IndicTrans2 machine translation) (model and license); caustic (Nepali, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “caustic.” Word.ws, https://word.ws/caustic. Based on Wiktionary, CC BY-SA 4.0.