"secondhand" in the adjective sense
1. secondhand
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. secondhand, used
previously used or owned by another
"bought a secondhand (or used) car"
"secondhand" in the adverb sense
1. secondhand
by indirect means
"I heard about it only secondhand or thirdhand"
"he prefers to buy secondhand"
Source: WordNet® (An amazing lexical database of English)
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