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Definition of “sly” - English Dictionary

"sly" in American English

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slyadjective

us   /slɑɪ/ comparative slyer, superlative slyest
not letting others know true opinions or intentions, or dishonest: She thought that by being sly, she could fool people. A cat can be a very sly animal.
slyly
adverb us   /ˈslɑɪ·li/
He winked slyly and lowered his voice, as if he had some secret to reveal.
(Definition of sly from the Cambridge Academic Content Dictionary © Cambridge University Press)







"sly" in British English

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slyadjective

uk   /slaɪ/ us   /slaɪ/ slyer, slyest
slyly
adverb uk   /ˈslaɪ.li/ us   /ˈslaɪ.li/
She grinned slyly and refused to tell me where the money came from.
slyness
noun [U] uk   /ˈslaɪ.nəs/ us   /ˈslaɪ.nəs/

slynoun

uk   /slaɪ/ us   /slaɪ/
(Definition of sly from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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