nettlesome

1. (of a person, thing, situation, etc.) Causing irritation, annoyance, or discomfort; bothersome, irksome.Examples: "My old car is very nettlesome."; "Mackenzie made himself a nettlesome burr under Crook's saddle, irritating the commanding general."; "Though the pink dolphins are protected by law, the fishermen see them as nettlesome competitors for the catches that feed their families."usually

2. (of a task, problem, etc.) Thorny; difficult to deal with, especially due to being complex or tricky.Examples: "The task of proving Fermat’s “last” theorem remains nettlesome."; "Be careful what you say to him; he's a nettlesome fellow."; "[A]ll the strange oaths and imprecations found in a seaman's vocabulary were called into service by our nettlesome captain and his crew, and hurled without mercy on the winds and weather."usually