undefined
🇺🇸
/ˌʌndɪˈfaɪnd/
🇬🇧
/ˌʌndɪˈfaɪnd/
not clearly explained or decided
The rules of the game were undefined, which caused confusion among the players.
ゲームのルールが未定義で、プレイヤーたちの間で混乱が生じた。