Rare; uncommon; seldom occurring. Something that happens infrequently (usually written in kana).
この病気はまれだが、注意が必要だ。
This illness is rare, but caution is necessary.
彼の成功はまれに見る才能の結果だ。
His success is the result of a talent seldom seen.
こうした自然現象はまれにしか起こらない。
Such natural phenomena occur only rarely.