Vexatious

1. (a.) Causing vexation; agitating; afflictive; annoying; as, a vexatious controversy; a vexatious neighbor.

2. (a.) Full or vexation, trouble, or disquiet; disturbed.

Thesaurus Entries

aggravating, annoying, backbreaking, besetting, bothering, bothersome, burdensome, crushing, disturbing, exasperating, galling, grueling, harassing, heavy, hefty, importunate, importune, irking, irksome, irritating, mean, onerous, oppressive, painful, pesky, pestering, pestiferous, pestilent, pestilential, plaguesome, plaguey, plaguing, provoking, teasing, tiresome, tormenting, troublesome, troubling, troublous, trying, ugly, vexing, wearisome, wicked, worrisome, worrying