Here's what rhymes with repetitive.

Consider these alternatives

repetitions / conditions annoying / enjoying formulaic / archaic overuse / whose simplistic / characteristic phrases / cases stress / less numbing / coming vibration / operation rhythms / conditions laborious / glorious melodic / logic stimulation / relation annoyingly / cloyingly trite / right chords / towards banal / alcohol disjointed / disappointed repetition / position incessant / present mundane / main