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sly
1 ENTRIES FOUND:
sly
(adjective)
sly
/
ˈ
slaɪ/
adjective
slier
or
slyer
;
sliest
or
slyest
sly
/
ˈ
slaɪ/
adjective
slier
or
slyer
;
sliest
or
slyest
Britannica Dictionary definition of SLY
[
also more sly; most sly
]
1
:
clever in a dishonest way
a
sly
con man
a
sly
scheme
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2
:
showing that you know a secret
a
sly
wink/glance/smile
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on the sly
informal
:
in a secret way
They've been meeting each other
on the sly
. [=
secretly
]
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— slyly
adverb
He winked
slyly
.
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— slyness
noun
[
noncount
]
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