noun
jinx; superstition; popular belief about luck
Refers to a superstition or a specific thing/action believed to bring good or bad luck, similar to the English 'jinx' but often used more broadly for any luck-related folk belief.
彼は「黒猫が横切ると不吉だ」というジンクスを信じている。
He believes in the jinx that a black cat crossing your path is unlucky.
試験の前には必ず同じペンを使うのが私のジンクスだ。
It's my superstition to always use the same pen before an exam.