Translation guide
A powerful, one-handed basketball shot where the player jumps and forces the ball down through the hoop. In Japanese, the English loanword is most common, but native descriptive phrases also exist.
The athletic move of jumping and thrusting the ball downward through the basket.
Shortened form, very common in casual sports talk.
Direct loan of 'slam dunk', often used in media or emphatic contexts. Slightly less common than ダンクシュート.
The slam dunk is the highlight of basketball.
Descriptive phrase meaning 'to jump and slam the ball in'. Used in explanations or commentary.
Something that is very easy to accomplish; a sure thing.
When using 'slam dunk' to mean something easy, do not translate literally as スラムダンク. That only refers to the basketball move. Use idiomatic expressions like 朝飯前 or 楽勝 instead.
The most common and natural term in Japanese. A direct loan from English 'dunk shoot'.
He made a slam dunk in the game.
That player's dunks are powerful.
He jumped and slammed the ball in.
Idiom meaning 'a piece of cake' or 'easy as pie'. Not a direct translation but conveys the metaphorical sense naturally.
That test was a slam dunk.
Noun/na-adjective meaning 'easy victory' or 'sure thing'. Often used in casual contexts.
This job is a slam dunk.
Old-fashioned idiom meaning 'a piece of cake'. Less common but colorful.
That's a slam dunk.