unsuccessful的近义词/同义词
unsuccessful的近义词/同义词有：unfortunate, fruitless, abortive, failing, failing, unfortunate, vain, fruitless, abortive, ineffectual, futile。
adj.
unsuccessful的近义词（不成功的;失败的）：unfortunate, fruitless, abortive, failing。
unsuccessful的近义词（其他释义）：failing, unfortunate, vain, fruitless, abortive, ineffectual, futile。