sly
[ slahy ]
/ slaɪ /
adjective, sly·er, sly·est.
cunning or wily: sly as a fox.
stealthy, insidious, or secret.
playfully artful, mischievous, or roguish: sly humor.
Idioms for sly
on the sly,
secretly; furtively: a tryst on the sly.
Origin of sly
1150–1200; Middle English
sly, sley, from Old Norse
slœgr “sly, cunning” (originally “able to strike, able to slay”); see
slay
SYNONYMS FOR sly
OTHER WORDS FROM sly
Words nearby sly
Example sentences from the Web for sly
British Dictionary definitions for sly
sly
/ (slaɪ) /
adjective slyer, slyest, slier or sliest
crafty; artful
a sly dodge
insidious; furtive
a sly manner
playfully mischievous; roguish
sly humour
noun
on the sly
in a secretive manner
Derived forms of sly
slyly or slily, adverb slyness, nounWord Origin for sly
C12: from Old Norse
slǣgr clever, literally: able to strike, from
slā to
slay
Idioms and Phrases with sly
sly
see on the sly.