Antonyms for "original" (new work, adjective) include plagiarized, copied, counterfeit, or duplicated. The nouns could be copy, duplicate, imitation, or knockoff.
Antonyms for "original" (creative, adjective) include banal, cliche, dull, generic, hackneyed, pedestrian, tired, trite, or unoriginal.
Idioms include old hat, run of the mill, same old thing, same old-same old, and nothing new.
Unoriginal
The opposite of original is derivative.
The opposite of the opposite is the original value, -9.
original
unoriginalunoriginalunoriginalunoriginalunoriginalunoriginal
Unoriginal.
NEGATION :)
equal and opposite
The opposite of opposite is same, like or similar. A double negative leads to the original identity of the term. So the answer is same or identical.
The opposite of stale (food, air) would be fresh. The opposite of stale (tired, cliche) would be new, or original.
The opposite of trite (cliche, overused, stale) would be fresh, original, innovative, or unique.
They're is a contraction of "they are". An antonym has the opposite meaning of the original word. The opposite of 'they are' would be 'they are not'.
The opposite of opposite is same, like or similar. A double negative leads to the original identity of the term. So the answer is same or identical.
Opposites of hackneyed are new, fresh, original...