n. 25B6; adjective her poetry was derivative : IMITATIVE, unoriginal, uninventive, unimaginative, uninspired; copied, plagiarized, plagiaristic, second-hand; trite, hackneyed, clichéd, stale, stock, banal; informal copycat, cribbed, old hat.
original.
25B6; noun
a derivative of opium : BY-PRODUCT, subsidiary product; spin-off.
a derivative of a verb : DERIVED WORD.