AskDefine | Define sly

Dictionary Definition

sly adj : marked by skill in deception; "cunning men often pass for wise"; "deep political machinations"; "a foxy scheme"; "a slick evasive answer"; "sly as a fox"; "tricky Dik"; "a wily old attorney" [syn: crafty, cunning, dodgy, foxy, guileful, knavish, slick, tricksy, tricky, wily] [also: slyest, slyer, sliest, slier]

User Contributed Dictionary



  • /slaɪ/
  • Rhymes with: -aɪ


  1. Dexterous in performing an action, so as to escape notice; nimble; skillful; cautious; shrewd; knowing; — in a good sense.
  2. Artfully cunning; secretly mischievous; wily.
  3. Done with, and marked by, artful and dexterous secrecy; subtle; as, a sly trick.
  4. Light or delicate; slight; thin.




  1. Slyly.



  1. very young trees, in particular while growing very densely

Extensive Definition

Sly is an adjective, meaning one of the following:
  1. Clever in practical matters.
  2. Hiding ones true intentions or goals.
Its synonyms are "cunning" and "roguish".
Sly is also a proper masculine name, short for Sylvester. It is the name of several famous persons:
Sly is also the first name of the main protagonist in the games:
sly in Italian: SLY
sly in Japanese: スライ

Synonyms, Antonyms and Related Words

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