humdrum (n.)
- alliteration
- assonance
- blah
- bore
- boring
- chanting
- chime
- common
- commonplace
- dim
- drab
- drag
- drip
- drone
- dry
- everlasting
- flat
- gray
- headache
- invariability
- invariable
- irk
- jingle
- monotone
- monotony
- nuisance
- ordinary
- pedestrian
- pest
- pill
- pitter-patter
- plain
- plodding
- prosy
- repetitiousness
- repetitiveness
- rhyme
- routine
- same
- sameness
- singsong
- tedium
- treadmill
- trot
- twaddler
humdrum (adj.)
- alliterative
- assonant
- banal
- banausic
- bore
- boring
- chanting
- common
- commonplace
- dim
- drab
- dreary
- dry
- dull
- dusty
- everlasting
- flat
- gray
- insipid
- invariable
- jejune
- labored
- long-winded
- matter-of-fact
- monotone
- monotonous
- mundane
- ordinary
- pedestrian
- plain
- plodding
- prolix
- prosaic
- prosy
- repetitious
- repetitive
- rhymed
- rhyming
- routine
- same
- singsong
- stodgy
- tedious
- tiresome
- unchanging
- undiversified
- unembellished
- uneventful
- unexciting
- unimaginative
- unimpassioned
- uninteresting
- unrelieved
- unromantic
- unvaried
- unvarying
- vapid
- wearisome
