secondhand in WordNet English dictionary

1. by indirect means
   "I heard about it only secondhand or thirdhand"; "he prefers to buy secondhand"
   secondhand  secondhand 
   

1. previously used or owned by another
   "bought a secondhand (or used) car"
   secondhand  used 
   
2. 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"
   secondhand