Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “sneak”

See all translations

sneak

verb uk   /sniːk/ (sneaked or US also snuck, sneaked or US also snuck) us  

sneak verb (MOVE SECRETLY)

C2 [I or T, usually + adv/prep] to go somewhere secretly, or to take someone or something somewhere secretly: I managed to sneak in through the back door while she wasn't looking. Jan hasn't got a ticket but I thought we might sneak her in. I thought I'd sneak up on him (= move close to him without him seeing) and give him a surprise.

sneak verb (TELL SECRETLY)

[I] UK slang disapproving to secretly tell someone in authority, especially a teacher, that someone else has done something bad, often in order to cause trouble: She was always sneaking on other kids in the class.

sneak verb (LOOK)

sneak a look/glance at sb/sth C2 to look at someone or something quickly and secretly: I noticed him sneak a look at what I was writing.

sneak

noun [C] uk   /sniːk/ UK slang disapproving ( US snitch) us  
a person who tells people in authority when someone else does something bad: You told Mrs Cooper that it was me who tipped the paint over, didn't you - you nasty little sneak!
(Definition of sneak from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of sneak?
Add Cambridge dictionaries to your browser to your website

More meanings of “sneak”

Definitions of “sneak” in other dictionaries

Word of the Day

white Christmas

a Christmas when it snows

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More