Translation guide
Describes something that cannot be saved, corrected, or exchanged. In Japanese, this concept is expressed through various adjectives and phrases depending on whether you mean a person, situation, mistake, or financial instrument.
To say that someone or something is so bad that they cannot be improved, saved, or fixed.
A very common phrase meaning 'there's nothing that can be done', used for hopeless situations or incorrigible people.
He is an irredeemable liar.
This situation is irredeemable.
Literally 'there is no way to save', used for people or situations that are beyond redemption.
His personality is irredeemable.
Means 'irreversible' or 'cannot be undone', often used for mistakes or damage.
I made an irredeemable mistake.
A formal, technical term meaning 'incorrigible' or 'irredeemable', used in legal or psychological contexts.
He was regarded as an irredeemable criminal.
To say that a voucher, coupon, or currency cannot be converted into cash or used for its face value.
To describe something of such poor quality that it cannot be improved.
There is no single Japanese adjective that directly corresponds to 'irredeemable' in all contexts. Using a word like 非償還可能 (ひしょうかんかのう) would be unnatural. Instead, use the phrases above depending on the nuance.
He is an irredeemable person. (unnatural)
The bond is irredeemable.