Online Google Dictionary

superfluous 中文解釋 wordnet sense Collocation Usage Collins Definition
Adjective
/so͞oˈpərfləwəs/,
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Unnecessary, esp. through being more than enough,
  1. Unnecessary, esp. through being more than enough
    • - the purchaser should avoid asking for superfluous information
  1. otiose: serving no useful purpose; having no excuse for being; "otiose lines in a play"; "advice is wasted words"; "a pointless remark"; "a life essentially purposeless"; "senseless violence"
  2. excess: more than is needed, desired, or required; "trying to lose excess weight"; "found some extra change lying on the dresser"; "yet another book on heraldry might be thought redundant"; "skills made redundant by technological advance"; "sleeping in the spare room"; "supernumerary ...
  3. (superfluously) in a superfluous manner; "superfluously, he added his silly comments to the discussion"
  4. in excess of what is required or sufficient
  5. (adj) extra, more than enough, redundant
  6. flowing over the top. Too much.
  7. exceeding what is necessary
  8. (adj) - extra, excessive
  9. More than necessary.