troublesome Synonyms

burdensome annoying irksome vexing problematic taxing thorny disturbing trying laborious tiresome harassing hard irritating tricky inconvenient difficult demanding vexatious worrisome onerous bothersome worrying perplexing awkward aggravating wearisome pestering toilful pestiferous pestilential plaguy ticklish interceptive sticky repressive rascally puzzling problematical provoking tormenting touchy uphill upsetting time-consuming unaccommodating unmanageable backbreaking grueling nettlesome