SNEAK

(MOVE SECRETLY) [verb] [usually + adverb or preposition] [past:] sneaked or [esp. US] snuck - to go somewhere or take (someone or something) somewhere secretlyI managed to sneak in through the back door while she wasn't looking. [I]Jan hasn't got a ticket but I thought we might sneak her in somehow. [T]I have a feeling that he's been sneaking into my room and reading my diary while I'm out. [I]Could you sneak a bottle of his precious wine out of the house, or would he notice? [T]I thought I'd sneak up on him (= move close to him without him seeing) and give him a surprise. [I]Rather naughtily, I sneaked a look (= looked secretly) at what he'd written after he left the office. [T]A sneak preview is an opportunity to see (a part of) something new before the rest of the public see it.Clare's husband produced the film so we saw a sneak preview of it.