Definify.com

Webster 1913 Edition

Adj.

[Written also

wiery

Made of wire; like wire; drawn out like wire.

Capable of endurance; tough; sinewy;

as, a

wiry

frame or constitution

“A little wiry sergeant of meek demeanor and strong sense.”

Dickens.

He bore his age well, and seemed to retain a

wiry

vigor and alertness.

Hawthorne.

Adj.

Made of wire; like wire.

wiry ‎(comparative wirier, superlative wiriest)

Thin, muscular and flexible.
Don't fight him. He may be small, but he's wiry.

thin, muscular and flexible