repetitive

re‧pet‧i‧tive /rɪˈpetətɪv, rɪˈpetɪtɪv/ BrE AmE adjective
[Word Family: adjective: ↑repeated, ↑repetitive, ↑repetitious, ↑repeatable ≠ ↑unrepeatable; noun: ↑repeat, ↑repetition; adverb: ↑repeatedly, ↑repetitively; verb: ↑repeat]
done many times in the same way, and boring
repetitive work/tasks/jobs
repetitive tasks like washing and ironing
The song was dreary and repetitive.

Oxford Advanced Learner's Dictionary

repetitive

re·peti·tive [repetitive repetitively repetitiveness] [rɪˈpetətɪv] [rɪˈpetətɪv] adjective
1. saying or doing the same thing many times, so that it becomes boring
Syn: monotonous

• a repetitive task.

2. repeated many times
• a repetitive pattern of behaviour
• Travel sickness is caused by the effect of repetitive movements.
Derived Words: repetitively ▪ repetitiveness
Example Bank:

• Machines can now perform many repetitive tasks in the home.

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition

repetitive / rɪˈpet.ə.tɪv / / -ˈpet̬.ə.t̬ɪv / adjective ( also repetitious )

C1 involving doing or saying the same thing several times, especially in a way that is boring:

a repetitive job/task

repetitively / -li / adverb

Collins Advanced Learner’s English Dictionary

repetitive

[rɪpe̱tɪtɪv]
1) ADJ-GRADED (disapproval) Something that is repetitive involves actions or elements that are repeated many times and is therefore boring.
  ...factory workers who do repetitive jobs...
  Suddenly music that seemed dull and repetitive comes alive.
2) ADJ: usu ADJ n Repetitive movements or sounds are repeated many times.
  This technique is particularly successful where problems occur as the result of repetitive movements.

Merriam-Webster's Advanced Learner's Dictionary

repetitive

re·pet·i·tive /rɪˈpɛtətɪv/ adj
1 : happening again and again : repeated many times
• an injury caused by repetitive wrist movements
• a repetitive pattern
• repetitive stress/strain
2 : having parts, actions, etc., that are repeated many times in a way that is boring or unpleasant : repetitious
• She left the job because the work was too repetitive.
• At the risk of being/sounding repetitive, I must remind you again to be careful.
- re·pet·i·tive·ly adv
• an injury caused by repetitively flexing the wrist
- re·pet·i·tive·ness noun [noncount]