If something is irksome, it irritates or annoys you. the irksome regulations. = tiresome. annoying
so lacking in interest as to cause mental weariness; "a boring evening with uninteresting people"; "the deadening effect of some routine tasks"; "a dull play"; "his competent but dull performance"; "a ho-hum speaker who couldn't capture their attention"; "what an irksome task the writing of long letters is"- Edmund Burke; "tedious days on the train"; "the tiresome chirping of a cricket"- Mark Twain; "other people's dreams are dreadfully wearisome"
Wearisome; tedious; disagreeable or troublesome by reason of long continuance or repetition; as, irksome hours; irksome tasks