adjective
a word that describes or modifies a noun or pronoun, in this case, 'unoriginal' describes something lacking originality or creativity
-
The author's writing style was criticized for being unoriginal.
-
I'm tired of seeing unoriginal posts on social media.
-
That movie was so unoriginal, it was a total rip-off.
-
His ideas were unoriginal, lacking any spark of creativity.