in·fal·li·ble /ɪnˈfæləbəl/ adjectiveadj 1 CORRECTalways right and never making mistakes 永远正确的,从不犯错误的 OPP fallible No expert is infallible. 没有一个专家永远正确。
an infallible memory 绝对可靠的记忆
2 EFFECTIVEsomething that is infallible always works or has the intended effect 〔事物〕绝对有效的 → fail-safe He had an infallible cure for a hangover. 他有对付宿醉绝对灵验的良方。
—infallibly adverbadv
—infallibility /ɪnˌfæləˈbɪləti/ noun [uncountableU]