Translation guide
Describes something related to current events, a specific subject, or applied directly to a surface. The most common Japanese equivalents depend on whether you mean 'related to current topics', 'organized by subject', or 'applied locally'.
Use when something is relevant to what is happening now, or is a hot topic.
Means 'of the topic' or 'currently talked about'. Used attributively before nouns.
話題の映画を見ました。
I saw the movie everyone is talking about.
Means 'current affairs' or 'topical' in a news sense. Slightly formal.
時事的な問題について議論した。
We discussed topical issues.
Literally 'in season', used for trendy or currently popular topics, often in media.
旬の話題を取り上げる。
Pick up a hot topic.
Use when content is arranged according to topics rather than chronologically or alphabetically.
Means 'by subject' or 'thematic'. Common in reference to lists, indexes, or collections.
主題別の索引を使う。
Use a topical index.
Means 'by field' or 'by area'. Used for categorization by domain.
分野別のリストを作成した。
I made a topical list.
Use in medical or pharmaceutical contexts when a substance is applied locally, not ingested.
Standard medical term for 'local' or 'topical' application.
局所的な治療を行った。
We performed a topical treatment.
Means 'for external use'. Common on medication labels.
外用のクリームを塗ってください。
Please apply the topical cream.
The English word 'topical' covers several distinct concepts. Translating it directly as トピカル is not natural Japanese. Choose the appropriate term based on the intended meaning.