smack Definition

smack¹
verb smacked, smacking

1. To slap loudly and smartly, especially with the hand.

Thesaurus: hit, slap, spank, whack, cuff.
tr & intr
2. colloq
To hit loudly and heavily.
Example: Her head smacked against the wall
Thesaurus: hit, slap, whack, crack.
3. To kiss loudly and noisily.
4. To part (the lips) loudly, with relish or in pleasant anticipation.

Example: She smacked her lips at the thought of the meal

noun

1. An act, or the sound, of smacking.

Thesaurus: blow, stroke, clap, box, whack, slam, slap, punch, hit.
2. A loud enthusiastic kiss.

adverb

colloq:
1. Directly and with force.

Example: He drove smack into the tree
2. Precisely.

Example: smack in the middle

Derivative: smacking
noun, adj

Etymology: 16c: from Dutch smacken.

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smack²
verb, intr

1. To have the flavour of it.
2. To have a trace or suggestion of it.

noun

1. Taste; distinctive flavour.
2. A hint or trace.

Etymology: Anglo-Saxon smæc.

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smack³
noun

1. A small single-masted fishing boat.
(US)
2. A sailing vessel equipped with a tank in which fish can be kept alive.

Etymology: 17c: from Dutch smak.

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smack⁴
noun

1. slang
Heroin.

Etymology: 1960s: from Yiddish schmeck sniff.