In a sentence
He left a cryptic note that no one could decipher.
Antonyms
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See all More GRE words starting with C
cabal
a small secret group plotting against a government or authority
cabalistic
having a hidden or mysterious meaning understood only by initiates
cacophony
a harsh, jarring mixture of sounds
cadge
to obtain something by begging or sponging off others
caducous
falling off or shed at an early stage, especially of plant parts
cajole
to coax someone into doing something through flattery or persuasion
calamity
an event causing great damage, loss, or distress
caliginous
misty, dim, or dark, and therefore obscure
Learn words the way the GRE tests them.
Vocabulary sticks when you meet it in real sentences. Practise these words inside text completion and sentence equivalence questions.