adjective
(of goods) Not new; previously owned and used by another.
(of a dealer) Dealing in such merchandise.
(figurative) Indirect; from a secondary source; not firsthand.
(of cigarette or cigar smoke) Inhaled from the air near someone else smoking.
noun
Secondhand goods (especially clothes) collectively.
adverb
In a used or previously-owned condition.
Indirectly.