The Collaborative International Dictionary of English v.0.48:
Tiresome \Tire"some\, a. Fitted or tending to tire; exhausted; wearisome; fatiguing; tedious; as, a tiresome journey; a tiresome discourse. -- Tire"some*ly, adv. -- Tire"some*ness, n. [1913 Webster]WordNet (r) 3.0 (2006):
tiresomely adv 1: in a tedious manner; "boringly slow work"; "he plodded tediously forward" [syn: boringly, tediously, tiresomely]