1660s, "uncreated, without an origin," from un- (1) "not" + original (adj.). Meaning "derivative, second-hand" is recorded from 1774. Related: Unoriginality.
the manuscript contained unoriginal emendations
unoccupied
unoffending
unofficial
unopposed
unorganized
unoriginal
unorthodox
unorthodoxy
unostentatious
unowned
unpack
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