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Idioms and Phrases with sober as a judge

sober as a judge

Not at all intoxicated, quite clear-headed, as in Even after three drinks he was sober as a judge. Why judges should be equated with sobriety is not known, but the simile was first recorded in 1694.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.