相关单词同義詞evil, ill, inadequate, unhappy, unfortunate, 近義詞 black 黑的, painful 痛苦的, unhappy 不快樂的反義詞felicitous, 巧妙的臨近詞INF, Infata相似詞infect, infected, infection, infectious, infer, inference, inferential, inferior, 返回 infelicitous