exasperating
From Longman Dictionary of Contemporary Englishexasperatingex‧as‧pe‧rat‧ing /ɪɡˈzɑːspəreɪtɪŋ $ -ˈzæs-/ ●○○ adjective ANNOYextremely annoying You have this exasperating habit of never looking at me! —exasperatingly adverbExamples from the Corpusexasperating• And the lump sugar business, called for in so many recipes, is often exasperating because it is unexplained.• Nylon does have an exasperating trait of expanding in the wet and cold, causing the fly to sag.• Marsha has this exasperating way of talking to me like a child.• This exasperating weekday practice prevents us seeing at least 10 minutes of each of the first two sessions of paly.