Translation guide
The English word "valid" can express several related ideas: something that is legally or officially acceptable, a logical argument that is sound, or a ticket/pass that is still usable. This guide covers natural Japanese ways to express these meanings.
Describing a document, contract, license, or claim that is recognized by law or authority.
The most common and direct translation for 'valid' in legal, official, or technical contexts. Used for documents, contracts, tickets, etc.
This passport is still valid.
The contract is valid until next month.
Emphasizes that something is justifiable or legitimate, often used for reasons, claims, or rights.
His claim is valid.
Specifically means 'legal' or 'lawful'. Use when emphasizing compliance with the law.
Is this contract valid?
Describing an argument, point, or reasoning that is well-founded and makes sense.
Means 'valid', 'appropriate', or 'reasonable'. Commonly used for arguments, conclusions, or decisions.
I think his opinion is valid.
That conclusion is not valid.
An idiomatic phrase meaning 'to be logical' or 'to make sense'. Used for reasoning or arguments.
His explanation is valid.
Means 'to be reasonable' or 'to stand to reason'. Slightly more formal.
The proposal is valid.
Describing a ticket, pass, or coupon that has not expired and can still be used.
有効 (ゆうこう) is used for documents, tickets, and official validity. 妥当 (だとう) is used for arguments, decisions, and logical validity. Do not use 有効 for an opinion.
The passport is valid.
That opinion is valid.
The English word 'valid' is sometimes translated as バリッド (borrowed word), but this is rarely used and sounds unnatural. Stick to the Japanese words above.
このクーポン、まだ使える？
Is this coupon still valid?