Definition of “be up to no good” - English Dictionary

English

“be up to no good” in English

See all translations

be up to no good

informal

to be behaving in a dishonest or bad way:

He certainly looked as if he was up to no good.

(Definition of “be up to no good” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Need a translator?

Translator tool

Get a quick, free translation!