slam dunk: meaning, definition, pronunciation and examples

Medium
UK/ˌslæm ˈdʌŋk/US/ˌslæm ˈdəŋk/

Informal, especially in figurative use.

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Quick answer

What does “slam dunk” mean?

A powerful, forceful basketball shot made by jumping and putting the ball directly through the hoop.

Audio

Pronunciation

Definition

Meaning and Definition

A powerful, forceful basketball shot made by jumping and putting the ball directly through the hoop.

Something that is certain to succeed; an easy or guaranteed victory; a highly convincing and undeniable action.

Dialectal Variation

British vs American Usage

Differences

The literal basketball term is equally understood due to global sports media. The figurative sense is understood but less frequently used in UK English, where terms like "dead cert", "sure-fire winner", or "foregone conclusion" are more idiomatic.

Connotations

US: Strongly positive, implying power and certainty. UK: May be perceived as an Americanism; when used, it retains the positive connotation but may sound consciously informal or imported.

Frequency

Much higher frequency in American English across all contexts. In UK English, usage is largely confined to business/politics reporting and is more common in written media than spontaneous speech.

Grammar

How to Use “slam dunk” in a Sentence

[SUBJ] is a slam dunk.to slam-dunk [OBJ]to have/consider [OBJ] a slam dunk

Vocabulary

Collocations

strong
a slam dunkto be a slam dunkto slam-dunk
medium
a legal slam dunka political slam dunkslam-dunk case
weak
slam-dunk victorytotal slam dunkabsolute slam dunk

Examples

Examples of “slam dunk” in a Sentence

verb

British English

  • The barrister slam-dunked the cross-examination.
  • He slam-dunked his final exam with ease.

American English

  • She slam-dunked the presentation and got the funding.
  • The prosecution slam-dunked the case with the new evidence.

adverb

British English

  • This is not a situation you can handle slam dunk.
  • He won the debate slam dunk.

American English

  • She passed the bar exam slam dunk.
  • The team closed the deal slam dunk.

adjective

British English

  • It was a slam-dunk decision for the committee.
  • They presented a slam-dunk argument.

American English

  • We have a slam-dunk lead in the polls.
  • The detective called it a slam-dunk case.

Usage

Meaning in Context

Business

Refers to a deal, strategy, or investment considered certain to succeed. 'The new product launch is a slam dunk with our market data.'

Academic

Rare. May appear in informal discussion or sports science. Figurative use would be considered too informal for most academic writing.

Everyday

Used to describe any easy or guaranteed success, e.g., passing a simple test, getting a reservation. 'With your experience, that job interview will be a slam dunk.'

Technical

Primarily in sports commentary and analysis (basketball).

Vocabulary

Synonyms of “slam dunk”

Strong

foregone conclusiondead cert (UK)sure-fire winnercinchwalkover

Weak

easy winsafe bethigh probability

Vocabulary

Antonyms of “slam dunk”

long shotuphill battleuncertaintygamblerisky venture

Watch out

Common Mistakes When Using “slam dunk”

  • Using 'slam dunk' as a verb without the hyphen in formal writing (slam-dunk).
  • Overusing the term in UK contexts where a native alternative is more natural.
  • Applying it to situations that are merely likely, rather than virtually certain.

FAQ

Frequently Asked Questions

Yes, the verb form is 'to slam-dunk' (usually hyphenated). It means to accomplish something with forceful certainty or ease. Example: 'She slam-dunked the interview.'

It is acceptable in internal communications, presentations, or informal reports to convey confidence. For formal external documents like legal contracts or annual reports, more formal synonyms like 'certainty' or 'assured success' are preferable.

No. The figurative meaning of 'a sure thing' or 'an easy success' is now primary for most English speakers. Knowledge of basketball only explains the etymology, not the current usage.

Both indicate ease, but 'slam dunk' emphasises guaranteed success and often a sense of forceful, conclusive action. 'Piece of cake' focuses purely on the lack of effort or difficulty. A 'slam dunk' can still require effort (like a powerful basketball move), but the outcome is never in doubt.

A powerful, forceful basketball shot made by jumping and putting the ball directly through the hoop.

Slam dunk: in British English it is pronounced /ˌslæm ˈdʌŋk/, and in American English it is pronounced /ˌslæm ˈdəŋk/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • to be a slam dunk
  • to slam-dunk something

Learning

Memory Aids

Mnemonic

Imagine a basketball player SLAMMING the ball DUNK into the net with such force and ease that you know it's a guaranteed score. The sound 'slam' implies force and finality.

Conceptual Metaphor

CERTAINTY IS A FORCEFUL, SUCCESSFUL PHYSICAL ACTION (from sports).

Practice

Quiz

Fill in the gap
With their star player injured, the game was no longer a for the home team.
Multiple Choice

In which context is the phrase 'slam dunk' LEAST appropriate?