How to say "topical" in Japanese

• トピカル
  nounA straight loanword of 'topical' and a less common one; since 話題 covers the 'in the news' sense and 局所的 the medical one, this is seldom the word you actually need.
• 局所的きょくしょてき
  na-adjectiveIts basic sense is 'local' or 'localized'; the 'topical' reading belongs to medicine, describing a treatment applied to one particular area of the body — the sense of 'topical application'.
• 話題わだいJLPT N3approx.Common
  no-adjectiveThe everyday word for 'topical' meaning 'much talked about' or 'in the news'; use it for a story, person, or issue that everyone is discussing — it is the common word for this sense.

For 'topical' meaning 'much talked about' or 'in the news', use 話題; for the medical sense of a treatment applied to one area of the body, use 局所的; the loanword 「トピカル」 is less common and rarely needed.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• トピカルtopical
• 局所的きょくしょてきlocal
• 話題わだいmuch talked about
• 局所きょくしょlocal (e.g. anesthesia)