Translation guide
The English word "indefinite" is used to describe things that are not clearly defined, have no fixed limit, or are vague in time, amount, or nature. This guide covers common Japanese expressions for these meanings, from formal written terms to everyday spoken phrases.
Describing something that is unclear, ambiguous, or not precisely determined.
A formal adjective meaning 'unclear' or 'vague', often used in official or written contexts.
The details of the plan are still indefinite.
Commonly used for 'ambiguous' or 'vague', suitable for both spoken and written Japanese.
His answer was indefinite.
Describes something vague or hazy, often used for abstract ideas or feelings.
I have an indefinite anxiety.
Referring to a period that is not specified or has no set end.
A formal phrase meaning 'deadline undecided' or 'indefinite period', used in business or official settings.
The project was postponed for an indefinite period.
Means 'indefinite' or 'without a deadline', often used for suspensions or delays.
A natural spoken phrase meaning 'it hasn't been decided until when', conveying indefiniteness in casual conversation.
Describing a quantity that is not fixed or has no clear boundary.
Referring to non-specific things or people, like 'a' or 'some' in English.
Japanese does not have articles. Indefiniteness is often implied by context or by using words like ある (a certain) or 何か (something).
I am reading a book. (indefinite)
One day (an indefinite day), he didn't come.
Means 'something' or 'anything', used for indefinite objects.
Means 'someone' or 'anyone', used for indefinite persons.
Directly translating 'indefinite' as 不明確 or 曖昧 may sound too formal or unnatural in casual speech. Use context-appropriate phrases like まだ決まっていない (not decided yet) or いつまでかわからない (don't know until when) for everyday situations.
ストライキは無期限で続いている。
The strike continues indefinitely.
I want you to wait, but it's indefinite how long.
The number of participants is still indefinite.
I want to drink something (indefinite).
Someone (indefinite) knocked on the door.