Translation guide
Expresses that an action, situation, or decision cannot be justified or defended. Focuses on the lack of valid reasons or moral grounds.
His actions are unjustifiable.
Means 'unforgivable' or 'not permitted'. Stronger emotional tone, often used for moral condemnation.
Such an excuse is unjustifiable.
Literally 'there is no room for excuse'. Formal and emphatic, suitable for serious contexts.
This failure is unjustifiable.
Means 'unreasonable' or 'irrational', often implying injustice. Used for situations that defy logic or fairness.
His demands are unjustifiable.
Very formal, meaning 'absolutely unacceptable'. Used in official statements or serious complaints.
Such a delay is completely unjustifiable.
To indicate that an action or belief lacks a logical or factual basis.
Means 'groundless' or 'without basis'. Neutral and widely used.
That criticism is unjustifiable.
Literally 'does not become a reason'. Used to dismiss an excuse as invalid.
Means 'unjust' or 'unfair'. Often used in legal or formal contexts.
正当化できない focuses on the lack of logical justification, while 許されない carries a stronger moral or emotional condemnation. Use 許されない when the act is seen as unforgivable.
His mistake is unjustifiable, but it's not unforgivable.
The English word 'unjustifiable' is often used in formal or legal contexts. In casual Japanese, simpler phrases like ダメ (no good) or ありえない (unbelievable) may be more natural, though less precise.
Being busy is an unjustifiable excuse.
不当な解雇は許されない。
Unjustifiable dismissal is unacceptable.