Word Study
worrisome
CIDE DICTIONARY
worrisome, a.
Inclined to worry or fret; also, causing worry or annoyance. [1913 Webster]
OXFORD DICTIONARY
worrisome, adj. causing or apt to cause worry or distress.
Derivative
worrisomely adv.
THESAURUS
worrisome
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, worryingFor further exploring for "worrisome" in Webster Dictionary Online