slam dunk

Definitions of slam dunk
1

n a forceful dunk

Type of:
dunk, dunk shot, stuff shot
a basketball shot in which the basketball is propelled downward into the basket

n something that is a sure to occur; a foregone conclusion

“predicting his success was a slam dunk
Type of:
certainty, foregone conclusion, sure thing
something that is certain

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.