Worrisome

(a.) Inclined to worry or fret; also, causing worry or annoyance.

Thesaurus Entries

aggravating, annoying, bothering, bothersome, chafing, disquieting, distressful, distressing, disturbing, exasperating, fretting, galling, harassing, importunate, importune, irking, irksome, irritating, pesky, pestering, pestiferous, pestilent, pestilential, plaguesome, plaguey, plaguing, provoking, teasing, tiresome, tormenting, troublesome, troubling, upsetting, vexatious, vexing, wearisome, worrying