sharp as a needle

(as) sharp as a needle

Intelligent and quick-thinking. Ted's as sharp as a needle, so he'll find a solution to this problem. Of course Ellen is our valedictorian—she's as sharp as a needle.
See also: needle, sharp
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

sharp as a needle

extremely quick-witted.
A North American variant is sharp as a tack .
See also: needle, sharp
Farlex Partner Idioms Dictionary © Farlex 2017
See also: