Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “smack”

smack

verb uk   /smæk/ us  
[T] to hit someone or something forcefully with the flat inside part of your hand, producing a short, loud noise, especially as a way of punishing a child: I never smack my children. I'll smack your bottom if you don't behave yourself. [I or T, usually + adv/prep] to hit something hard against something else: I smacked my head on the corner of the shelf. She smacked her books down on the table and stormed out of the room.
Phrasal verbs

smack

noun uk   /smæk/ us  

smack noun (HIT FORCEFULLY)

[C] a hit from someone's flat hand as a punishment: You're going to get a smack on the bottom if you don't stop being such a naughty boy. [C] informal a hit given with the fist (= closed hand): I gave him a smack on the jaw. [C] a short, loud noise: She slammed her case down on the desk with a smack. [C] informal a loud kiss: a big smack on the lips

smack noun (DRUG)

[U] slang heroin (= a strong illegal drug): How long has she been on smack?

smack

adverb uk   /smæk/ (UK also smack bang, US also smack dab) us  

smack adverb (EXACTLY)

exactly in a place: She lives smack in the middle of London.

smack adverb (DIRECTLY)

directly and forcefully, producing a short, loud noise: I wasn't looking where I was going and walked smack into a lamppost.
(Definition of smack from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of smack?
Add Cambridge dictionaries to your browser to your website

Definitions of “smack” in other dictionaries

Word of the Day

monster

any imaginary frightening creature, especially one that is large and strange

Word of the Day

What’s that lovely smell?

by Kate Woodford,
October 29, 2014
As adult humans, we can distinguish about 10,000 different smells. It’s no wonder, then, that we have so many words and expressions to describe them. This week we’re taking a look at those smell words – words that describe good smells and words that describe bad smells. Most smell words are either

Read More 

high-frequency trading noun

October 27, 2014
a type of stock market trading that uses very complex technology to trade extremely quickly, often making tiny profits which nevertheless add up to substantial sums Lewis’s book, Flash Boys, is driving a huge amount of attention toward the topic of high frequency trading, and it has rekindled some of

Read More