superfluous

形容词 superfluous:

1. serving no useful purpose; having no excuse for being
   同义词：otiose, pointless, wasted
2. more than is needed, desired, or required
   同义词：excess, extra, redundant, spare, supererogatory, supernumerary, surplus

1. A superfluous word or phrase.
   冗词多余的词或短语
2. He has already been told, so our comments are superfluous.
   早就有人同他说过，所以我们的意见是多余的。