Definition of “mischievous” - English Dictionary

“mischievous” in British English

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mischievousadjective

uk /ˈmɪs.tʃɪ.vəs/ us /ˈmɪs.tʃə.vəs/

behaving in a way, or describing behaviour, that is slightly bad but is not intended to cause serious harm or damage:

She has a mischievous sense of humour.
a book about the mischievous antics of his ten-year-old daughter

expressing or suggesting mischief:

a mischievous grin

used to describe behaviour or words that are intended to cause harm or trouble:

I think these rumours are mischievous.
mischievously
adverb uk /ˈmɪs.tʃɪ.vəs.li/ us /ˈmɪs.tʃə.vəs.li/

to grin mischievously
mischievousness
noun [ U ] uk /ˈmɪs.tʃɪ.vəs.nəs/ us /ˈmɪs.tʃə.vəs.nəs/

(Definition of “mischievous” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“mischievous” in American English

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mischievousadjective

us /ˈmɪs·tʃə·vəs/

(of behavior) slightly annoying or slightly bad, esp. in a playful way, or (of someone’s appearance) looking likely to do something bad:

a mischievous prank
a mischievous smile

(Definition of “mischievous” from the Cambridge Academic Content Dictionary © Cambridge University Press)