irksome

Causing annoyance, weariness, or vexation: synonym: boring.

Wearisome; tedious; burdensome; vexatious; causing annoyance or discomfort, especially by long continuance or frequent repetition.

Weary; uneasy.

Synonyms Wearisome, Tedious, etc. See wearisome.

Wearisome; tedious; disagreeable or troublesome by reason of long continuance or repetition

Weary; vexed; uneasy.

Disagreeable or troublesome by reason of long continuance or repetition; bothersome; annoying; irritating; wearisome; tedious.

so lacking in interest as to cause mental weariness