secondhand
    adv 1: by indirect means; "I heard about it only secondhand or
           thirdhand"; "he prefers to buy secondhand"
    adj 1: derived from what is primary or original; not firsthand;
           "a secondhand report"; "a secondhand account of a memory
           of something once read"; "most of our knowledge is
           secondhand"
    2: previously used or owned by another; "bought a secondhand (or
       used) car" [syn: secondhand, used]

Secondhand \Sec"ond*hand`\, a.
   1. Not original or primary; received from another; as,
      secondhand information.
      [1913 Webster +PJC]

            They have but a secondhand or implicit knowledge.
                                                  --Locke.
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   2. Not new; already or previously possessed or used by
      another; as, a secondhand book, garment.
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   At second hand. See Hand, n., 10.
      [1913 Webster]