All idioms
idiom

Slam dunk

SLAM DUNK

/slæm dʌŋk/

Listen

Hear it in a clear American voice. Slow it down to catch each syllable.

Syllable breakdown

slamdunk

Dictionary meaning

A certainty; something that is certain to succeed.

History and origin

Basketball shot.

Examples

  • Getting that investor on board was a slam dunk.

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