Resembling, or characteristic of a gimmick.(adjective)
Containing gimmicks.(adjective)
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Use "gimmicky" in a sentence
"Some might call it gimmicky; I still think stuff like that is cool."
"At first, I thought it was a bit "gimmicky" - usually camera manufacturers 'tack on' video as a bonus feature just because they can."
"Luckily, I've found the story -- it's condensing it into 250 words of something "fresh" and "interesting" but not "hooky" and "gimmicky" -- and please, yes, let's add well-written -- that's kicking tail with me."