The definition of humdrum is something dull, monotonous and boring.
A day which filled with boring, routine activities is an example of a day that would be described as humdrum.
lacking variety; dull; monotonous; boring
Origin of humdrumechoic extension (infl. by drum) of hum
humdrum talk, routine, etc.; monotony
Lacking variety or excitement. See Synonyms at dull.
Monotonous talk or routine.
Origin of humdrumProbably from hum
(comparative more humdrum, superlative most humdrum)
- The quality of lacking variety or excitement; dullness.