相關(guān)單詞同義詞useless, invalid, nebbish, lame duck, 近義詞 useless 無(wú)用的, unsuccessful 不成功的, futile 無(wú)效的, powerless 無(wú)力的, ineffective 無(wú)效的, fruitless 不成功的, vain 自負(fù)的, null 無(wú)效的, abortive 失敗的, incompetent 無(wú)能力的, indecisive 猶豫不決的, weak 弱的, feeble 虛弱的, lame 無(wú)說(shuō)服力的, unimpressive 印象淡薄的, hopeless 沒(méi)有希望的, inadequate 不適當(dāng)?shù)? inefficient 無(wú)效率的, inept 不適當(dāng)?shù)? unavailing 無(wú)益的, unable 不能的, otiose 沒(méi)有用的, uneffective 無(wú)效的臨近詞inefficient, ineffective, ineffectually, ineffectualness, ineffectual efforts, ineffectual attempt, Ineffectual hot water, ineffectual discipline相似詞inebriated, inedible, ineffable, ineffective, inefficient, inelastic, inelegant, ineligible, 返回 ineffectual