Synonyms for Plaguy (same or very similar meaning)
WordNet sense 1 (in a disagreeable manner):
plaguey, plaguilyWordNet sense 2 (causing irritation or annoyance):
annoying, bothersome, galling, irritating, nettlesome, pesky, pestiferous, vexatious, pestering, teasing, vexingWordNet sense 3 (not to your liking):
disagreeableFrom the ODE community, based on WordNetadd/edit