sly


Definition: Meaning of, sly in English to English dictionary.

Pronunciation: / slʌɪ /

  • adjective
  • synonym
  • antonym
Word Forms:
Positive Comparative Superlative
sly slier sliest
  1. someone who is sly cleverly deceives people in order to get what they want [=  cunning]
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  2. sly smile/glance/wink etc a smile, look etc that shows you know something secret
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  3. on the sly informal secretly, especially when you are doing something that you should not do
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synonym
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sly used in phrases