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Caustic

mediumNegative tone

KAW-stik

adjective

Definition

bitingly sarcastic or sharply critical (also chemically corrosive)

Memory hook

CAUSTIC sounds like 'cost-stick': a remark so burning it COSTs you, sticking like acid.

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Word roots

kaustikoscapable of burning(Greek)
kaieinto burn(Greek)

Learning roots unlocks whole word families. Study common GRE root words.

Examples

Her caustic review left the playwright reeling for weeks.
He delivered his caustic verdict with a thin, knowing smile.

Test yourself

Fill in the blank with the right word:

Her ______ review left the playwright reeling for weeks.
Show answer

caustic

Synonyms

scathingbitingacerbicmordant

Antonyms

blandmildsoothinggentle

Categories

View all Praise/Criticism words

GRE Tip

Caustic is a medium-difficulty GRE word. On the GRE, you might see it paired with synonyms like "scathing" or "biting" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "bland".

Read: How to Memorize GRE Words That Actually Stick

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