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causing irritation or annoyance; "tapping an annoying rhythm on his glass with his fork"; "aircraft noise is particularly bothersome near the airport"; "found it galling to have to ask permission"; "an irritating delay"; "nettlesome paperwork"; "a pesky mosquito"; "swarms of pestering gnats"; "a plaguey newfangled safety catch"; "a teasing and persistent thought annoyed him"; "a vexatious child"; "it is vexing to have to admit you are wrong"
extremely annoying or displeasing; "his cavelier curtness of manner was exasperating"; "I've had an exasperating day"; "her infuriating indifference"; "the ceaseless tumult of the jukebox was maddening"