- Today's Word
Caustic
KAW-stik
Definition
- (adjective) Capable of burning, corroding, or destroying organic tissue.
- Harshly critical or sarcastic.
Example
His caustic wit often left people unsure whether to laugh or take offense.
Fun Fact
The word “caustic” originally comes from the Greek kaustikos, meaning “burning.” While it first described substances that physically burned, it later extended to describe sharp, biting remarks that metaphorically “burn” through conversation. Some of history’s most famous figures, including Winston Churchill and Dorothy Parker, were known for their caustic humor.
(verb) To use vague or ambiguous language in order to avoid committing to a clear position or answer.
When asked directly whether he had approved the deal, the CEO equivocated for ten minutes without ever giving a straight answer.
Equivocate derives from the Medieval Latin aequivocare, meaning “to call by the same name,” built from aequus (“equal”) and vox (“voice” or “word”). The idea behind the root is of a word that sounds the same but carries two equally valid meanings — giving the speaker plausible deniability by exploiting ambiguity. It entered English in the 16th century, almost immediately acquiring its negative connotation of deliberate evasiveness.