nettlesomecausing repeated annoyance or minor difficulty; vexing and troublesomeThe nettlesome border dispute had plagued relations between the two countries for decades.NoteThe nettlesome border dispute had plagued relations between the two countries for decades.Elon.io is an online learning platformWe have an entire course teaching GRE Verbal — Essential Vocabulary grammar and vocabulary.Start learning GRE Verbal — Essential Vocabulary now