Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

on your toes

Definition

C2 Someone or something that keeps you on your toes forces you to continue directing all your attention and energy to what you are doing: I work with people who are half my age so that keeps me on my toes.Reacting and responding
(Definition of on your toes from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)