Adjective: irksome urk-sum
- Causing irritation or annoyance
"tapping an irksome rhythm on his glass with his fork";
- annoying, bothersome, galling, irritating, nettlesome, pesky [informal], pestering, pestiferous, plaguy, plaguey, teasing, vexatious, vexing, niggly, dratted [informal], aggravating
- So lacking in interest as to cause mental weariness
"what an irksome task the writing of long letters is";
- boring, deadening, dull, ho-hum [informal], slow, tedious, tiresome, wearisome, unamusing, deadly [informal], draggy [informal], mind-numbing
See also: disagreeable, lame, lameo [informal], meh [informal], samey [Brit, informal], uninspiring, uninteresting