be on (your) guard Definition in the Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Definition of “be on (your) guard” - English Dictionary

Definition of "be on (your) guard" - British English Dictionary

See all translations

be on (your) guard

C2 to be ​careful to ​avoid being ​tricked or getting into a ​dangeroussituation: You always have to be on ​your guard againstpickpockets.
(Definition of be on (your) guard from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website
Word of the Day
faith school

a school that is financially supported by a particular religious group, usually for children from that religion

Word of the Day