Synonyms of on one's toes in English:

on one's toes

See definition of on one's toes


1‘unfamiliar situations keep us on our toes’

alert, quick-witted, sharp, bright, quick, keen, perceptive, wide awake, responsive, agile, acute, astute
informal on the ball, quick off the mark, quick on the uptake, all there, with it, bright-eyed and bushy-tailed
North American informal whip-smart