look sharp

Idioms & Phrases

look sharp

Get moving, be alert, as in The coach told the team they would have to look sharp if they wanted to win. This colloquial expression, dating from the early 1700s, originally meant "to keep a strict watch" but acquired its present sense in the early 1800s.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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