Dictionary definition · humdrum
noun
- the quality of wearisome constancy, routine, and lack of variety"he had never grown accustomed to the monotony of his work"
adjective
- not challenging; dull and lacking excitement"an unglamorous job greasing engines"
- tediously repetitious or lacking in variety"a humdrum existence: all work and no play"
Source: Open English WordNet (CC BY 4.0).