monotonous
mo·no·to·nous
adjective
1.
2.
tediously repetitious or lacking in variety
- “a humdrum existence; all work and no play”
- “nothing is so monotonous as the sea”
Origin
From monotone + -ous.
Related words
Word family
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.