Pronunciation: (thûrd'hand'),[key] —adj. 1. previously used or owned by two successive people.
2. (loosely) secondhand, esp. in poor condition.
3. obtained through two intermediates successively; twice removed from the original source.
—adv. 1. after two other users or owners: He bought the guitar thirdhand. 2. by way of several intermediate sources; indirectly.