(a.) Causing weariness; tiresome; tedious; as, a wearisome march; a wearisome day's work; a wearisome book.

Herculean aggravating annoying arduous backbreaking black bleak boresome boring bothering bothersome burdensome crushing dark dismal disturbing draining drear drearisome dreary effortful exasperating exhausting fatiguesome fatiguing forced funebrial funereal galling gloomy grave gray grim grueling harassing hard-earned hard-fought heavy hefty importunate importune irking irksome irritating killing labored laborious onerous operose oppressive painful pesky pestering pestiferous pestilent pestilential plaguesome plaguey plaguing provoking punishing saturnine solemn somber sombrous strained straining strenuous stressful stupefyingly boring stuporific teasing tiresome tiring toilsome tormenting tough triste troublesome troubling trying uphill vexatious vexing weariful wearing weary wearying worrisome worrying yawny