Apropos

APT

Think of a word that describes something perfectly suited or fitting for a situation, like a remark that hits the mark.

"Apropos" is a French-derived word meaning relevant or fitting, which directly hints at the answer "APT." The clue plays on the synonymy between the two—both describe something suitable or well-timed. Since "apt" is a concise, four-letter match for the definition, it’s the natural solution for the puzzle. No wordplay here, just a straightforward definition clue.