KEY: Criterion.
SYN: Test, touchstone, proof, standard, measure.
ANT: Eye, glance, intention, conjecture, scan.
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KEY: Critic.
SYN: Judge, censor, arbiter, savant.
ANT: Author, writer, performer, artist.
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KEY: Critical.
SYN: Nice, delicate, exact, fastidious, discriminating, censorious, accurate, dubious, precarious, ticklish, crucial, important, momentous, hazardous.