1) Characterized by repetition 2) Continual 3) Dull and unvaried 4) Insistent 5) Like disco music 6) Like iterations 7) Repetitive and persistent 8) Tautological 1) Continual 2) Dull 3) Frequent 4) Insistent 5) Iterant 6) Iterative 7) Mesmerizing 8) Reiterative 9) Repeated 10) Repetitious 11) Uninteresting 12) Unvaried 
• (a.) Containing repetition; repeating.
containing repetition; repetitions.
[Adjective] Something which is repetitive involves a lot of repeating, and may therefore become boring.
Containing repetition, repetitions. ... (18 Nov 1997) ... 
Re·pet'i·tive adjective Containing repetition; repeating. [ R.]
to repeat over and over
repetitious adjective characterized by repetition; `repetitive movement`