vexing
1. [ adjective ] extremely annoying or displeasing
Synonyms: infuriating maddening exasperating
Examples:

"his cavalier curtness of manner was exasperating" "I've had an exasperating day" "her infuriating indifference" "the ceaseless tumult of the jukebox was maddening"

Related terms: displeasing
2. [ adjective ] causing irritation or annoyance
Synonyms: pestering nettlesome irritating annoying galling plaguy plaguey pestiferous vexatious teasing pesky bothersome
Examples:

"tapping an annoying rhythm" "a particularly bothersome noise" "found it galling to have to ask permission" "an irritating delay" "nettlesome paperwork" "a pesky mosquito" "swarms of pestering gnats"

Related terms: disagreeable