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Definitions

caustic

[kaw-stik] / ˈkɔ stɪk /




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

At this point, you just don’t like each other, which makes communication feel even more caustic.

From MarketWatch • Feb. 27, 2026

Around him orbits a constellation of classmates - caustic, thoughtful, restless - who debate Swiss-French architect Le Corbusier, Karl Marx and the price of cigarettes with equal seriousness.

From BBC • Feb. 13, 2026

I have enjoyed the caustic verve of this Claude.ai promotional campaign, which seems to be heading off the inevitable swoon of the A.I. revolution before it firmly takes hold.

From Slate • Feb. 8, 2026

Several people who have spoken with Warsh have been taken aback at the caustic nature of his criticisms of Fed leaders.

From The Wall Street Journal • Jan. 30, 2026

At the same time it continued to boil, forming thick, low clouds, dark as tar, caustic, and ready to burst into flame.

From "The Name of the Wind" by Patrick Rothfuss