As adjectives the difference between monotonous and repetitive
is that monotonous is having an unvarying tone or pitch while repetitive is happening many times in a similar way; containing repetition; repeating.
monotonous
English
Adjective
(
en adjective)
having an unvarying tone or pitch
tedious, repetitious or lacking in variety
Related terms
* monotone
* monotony
Synonyms
* monotonic
* samely
repetitive
English
Adjective
(
en adjective)
Happening many times in a similar way; containing repetition; repeating.