Meanings
half; 50%
Used for a half portion or 50% of something, often in contexts like probability, division, or mixture.
The probability of success is fifty-fifty.
Mix sake and water in equal parts.
5 parts; 5%
Specifically five parts out of a whole, or 5%. Less common than the 'half' sense; context usually makes the meaning clear.
This alloy contains five parts copper.
Often used in the compound 五分五分 (fifty-fifty) or in phrases like 五分の勝負 (an even match). Implies equal standing or a tie.
See also: 五分五分
The match was an even contest.
The two are evenly matched in ability.
Usage patterns
- 〈物〉を五分に分けるto divide something in half
We split the cake in half and ate it.
- 五分の勝負an even, closely matched contest
It remained an even match right up to the end.
- 五分の確率a fifty-fifty chance
Whether we win this match is a fifty-fifty chance.
- 〈人〉と五分に渡り合うto compete on equal terms with someone
The newcomer held their own against the experienced player.
Expressions
- 五分の一one fifth
- 一寸の虫にも五分の魂even a tiny bug will defend itself; tread on a worm and it will turn