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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.

A chemical, thought to be caustic soda, is understood to have entered the water at the Knockando burn, which flows into the River Spey, in the last few days.

From BBC • May 3, 2026

She’s forward and caustic, with a sharp wit and a hefty Jersey accent that doesn’t exactly scream “therapist’s office” — unless your therapist is Dr. Melfi from “The Sopranos,” in which case, lucky you.

From Salon • Apr. 29, 2026

Okrent portrays Sondheim as witty and endearing, but also poorly groomed, remote, caustic, quick to anger — and, mostly, quick to forgive.

From Los Angeles Times • Mar. 17, 2026

Though she is not a satirist, her gimlet-eyed prose conveys a caustic humor that feels more British than American.

From The Wall Street Journal • Jan. 31, 2026

It’s more than the reinforced elevator, or the claustrophobia of being so far underground, or the caustic smell of antiseptic.

From "Mockingjay" by Suzanne Collins




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