Synonyms of slam dunk

slam dunk

noun

as in lock

one that is certain to succeed

since he was trying his first case, the assistant district attorney was assigned a burglary case that was a slam dunk

Synonyms & Similar Words

• lock
• sure thing
• lead-pipe cinch
• certainty
• cinch
• shoo-in
• inevitability
• foregone conclusion
• eventuality

Antonyms & Near Antonyms

• long shot
• dark horse

Example Sentences

Recent Examples of slam dunk

This is a slam dunk win for the Kings and a massive loss for the Wild. — Shayna Goldman, New York Times, 1 July 2026

But the championship series most valuable player indicated that visit is no slam dunk. — Brian Niemietz, New York Daily News, 25 June 2026

The record-breaking launch of NikeSkims (the co-brand effort of Kardashian’s Skims and the sportswear giant) was a slam dunk in experiential marketing, with the #SkimsxNike tag’s 12 million views on TikTok just the tip of the iceberg. — Danielle Directo-Meston, HollywoodReporter, 20 June 2026

Considering the intangibles Braun brings, which includes getting the fans involved following his athletic, rim-rattling slam dunks, the team may avoid any temptation to trade Braun just to gain relief from his salary. — Gary Bedore june 18, Kansas City Star, 18 June 2026