相关单词同义词failed, empty, unsuccessful, vain, 近义词 futile 无效的, unproductive 不生产的, ineffective 无效的, useless 无用的, unsuccessful 不成功的, unrewarding 无报酬的, vain 自负的, bootless 无用的, worthless 无价值的, unfruitful 无效果的, idle 无目的, barren 贫瘠的, unprofitable 没有利润的, ineffectual （东西）无效的..., abortive 失败的, infecund 不结果的, infertile 贫瘠的, sterile 贫瘠的, unprolific 不产仔的, 不结实的, 无..., unremunerative 无报酬的, unavailing 无益的, unyielding 不屈的, gainless 无利可图的, inefficacious 无效力的, unpaying 不付款的, profitless 无益的, pointless 无意义的, negative 否定的, wasted 浪费的, naught 无, for 为, sleeveless 无袖的临近词fruity, fruition, fruitlessly, fruitlessness, fruitless task, fruitless labors, fruitless meeting, fruitless argument, fruitless branches相似词fruiterer, fruitful, fruitfulness, fruition, fruits of the earth idiom, fruity, frump, frumpy, 返回 fruitless