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

illusion

an idea or belief that is not true

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

showrooming noun

February 23, 2015
the activity of examining a product in a physical store and then making the purchase with an online retailer Amazon’s new smartphone is specifically designed to make showrooming fast and easy.

Read More