ob·so·lete /ˌɑbsəˈlit, ˈɑbsəˌ/
  (a.)荒廢的,成廢物的,陳舊的廢詞,陳腐的人,廢物
  ob·so·lete /ˌɑbsəˈlɪt, ˈɑbsəˌ/ 形容詞
  Ob·so·lete a.
  1. No longer in use; gone into disuse; disused; neglected; as, an obsolete word; an obsolete statute; -- applied chiefly to words, writings, or observances.
  2. Biol. Not very distinct; obscure; rudimental; imperfectly developed; abortive.
  Syn: -- Ancient; antiquated; old-fashioned; antique; old; disused; neglected. See Ancient.
  Ob·so·lete, v. i. To become obsolete; to go out of use. [R.]
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  obsolete
       adj 1: old; no longer in use or valid or fashionable; "obsolete
              words"; "an obsolete locomotive"; "outdated
              equipment"; "superannuated laws"; "out-of-date ideas"
              [syn: outdated, out-of-date, superannuated]
       2: no longer in use; "obsolete words" [syn: disused]