sneakyadjective
uk/ˈsniː.ki/us/ˈsniː.ki/doing things in a secret and unfair way:
a sneaky plan
UK used to describe something you do, eat, or drink especially when you do it without telling anyone or when you should not really do it:
She snuck out for a sneaky cigarette.
There's always the temptation to take a sneaky peek at the presents under the Christmas tree.
Thesaurus: synonyms and related words
Sly & devious
- artful
- backdoor
- calculating
- calculation
- conniving
- conspiratorial
- cunning
- devious
- disingenuous
- fox
- foxy
- guile
- Machiavellian
- scheme
- sleight of hand
- trick
- tricky
- underhand
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sneakily
adverb uk/ˈsniː.kəl.i/us/ˈsniː.kəl.i/
I sneakily looked in her diary when she was out last night.