Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

slam dunk

noun

Simple Definition of slam dunk

  • : something that is sure to happen or be successful

Source: Merriam-Webster's Learner's Dictionary

Full Definition of slam dunk

  1. 1 :  dunk shot

  2. 2 :  sure thing <the case is a slam dunk>

slam–dunk

verb

Examples of slam dunk in a sentence

  1. The vote proved to be a slam dunk for our side with a 24 to 5 win.

  2. There's no doubt that he's guilty. The case is a slam dunk.



1972

First Known Use of slam dunk

1972

Rhymes with slam dunk


Learn More about slam dunk


Seen and Heard

What made you want to look up slam dunk? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

not forbidden by law

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

two-chairs-on-a-pier-by-the-ocean-in-summer

Which of the following words means “of or relating to summer”?

vernal estival brumal hiemal
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ