相关单词同义词useless, disabled, ineffective, sick, patient, 近义词 infirm 体弱的, weak 弱的, unhealthy 不健康的, void 空的, patient 有耐心的, ineffective 无效的, frail 脆弱的, debilitated 虚弱的, sickly 病弱的, null and void [法律]无效, unacceptable 不能接受的, untrue 不真实的, unfounded 无事实根据的..., illogical 不合逻辑的, enfeebled 动词enfeeble的过..., convalescent 恢复期的, validate 使生效, feckless 软弱的, incapacitate 使不能, handicap 障碍, disable 使 ... 失去能力..., shut-in 卧病在家的人...反义词valid, 有效的临近词invalidate, invade, invalidly, invalidity, invalidism, invalidness, invalidator, invalid car, invalid key, invalid bit, invalid aids, invalid date相似词invacuate, invacuation, invade, invader, invalid sb out, invalidate, invalidity, invaluable, 返回 invalid