tiresome (adj.)
- aggravating
- annoying
- bland
- boring
- bothersome
- burdensome
- common
- commonplace
- difficult
- disagreeable
- disturbing
- draining
- drudging
- dull
- exasperating
- exhausting
- flat
- galling
- grueling
- hard
- humdrum
- hypnotic
- importunate
- insipid
- irksome
- irritating
- killing
- matter-of-fact
- monotonous
- mundane
- onerous
- oppressive
- ordinary
- pedestrian
- pesky
- pestering
- pestiferous
- pestilent
- pestilential
- plaguey
- plain
- prosaic
- prosy
- provoking
- punishing
- soporific
- straining
- stressful
- teasing
- tedious
- tiring
- toilsome
- troublesome
- troubling
- trying
- unembellished
- unimaginative
- unimpassioned
- uninteresting
- unpleasant
- unromantic
- vapid
- vexatious
- vexing
- wearing
- wearisome
- wearying
- worrisome
- worrying
