/ˈmɪstʃɪvəs/
mis·chiev·ous
BrE /ˈmɪstʃɪvəs/
NAmE /ˈmɪstʃɪvəs/
enjoying playing tricks and annoying people
SYN naughty
a mischievous boy
a mischievous grin/smile/look
(formal) (of an action or a statement)
causing trouble, such as damaging sb’s reputation
mischievous lies/gossip
▸
mis·chiev·ous·ly
BrE /ˈmɪstʃɪvəsli/
NAmE /ˈmɪstʃɪvəsli/