Translation guide
In Japanese, the concept of an 'obsolete word' is most commonly expressed using the term 死語 (shigo), literally 'dead word'. This refers to words that have fallen out of use, often associated with outdated slang or terms from past eras. For a more formal or academic context, 廃語 (haigo) is used to describe words that are no longer in active use. Learners should be aware that directly translating 'obsolete word' as 時代遅れの言葉 (jidai okure no kotoba) is possible but less natural than the established terms.
The speaker wants to refer to a word that is no longer used, often with a nuance of being outdated or 'dead'.
Literally 'dead word'. This is the most common and natural way to say 'obsolete word' in everyday Japanese. It often carries a nuance of being old-fashioned or associated with past trends, especially slang.
この言葉はもう死語だよ。
This word is already obsolete.
The speaker wants to say that a word has become obsolete or fallen out of use.
Literally 'to become a dead word'. This is the most natural way to express that a word has become obsolete.
この表現はもう死語になってしまった。
This expression has already become obsolete.
死語 (shigo) is the everyday term for an obsolete word, often with a casual or slightly humorous nuance. 廃語 (haigo) is a technical term used in linguistics or dictionary compilation. In most conversations, 死語 is the better choice.
While 時代遅れの言葉 (jidai okure no kotoba) is understandable, it sounds like a direct translation from English. Native speakers almost always use 死語 or 廃語 instead.
若者はそんな死語を使わない。
Young people don't use such obsolete words.
A more formal or academic term for an obsolete word, often used in linguistic contexts. It implies the word has been officially or practically abandoned.
この辞書には多くの廃語が収録されている。
This dictionary contains many obsolete words.
Literally 'outdated word'. This is a descriptive phrase that can be understood, but it is less common and less natural than 死語 or 廃語. It might be used when explaining the concept to someone unfamiliar with the specific terms.
This phrase is grammatically correct but sounds like a literal translation. Native speakers would more naturally use 死語 or 廃語.
それは完全に時代遅れの言葉ですね。
That's a completely outdated word, isn't it?
Literally 'to become not used'. A more general way to say something has fallen out of use, not limited to words.
最近、この言葉は使われなくなった。
Recently, this word has fallen out of use.