From Longman Dictionary of Contemporary Englishvexatiousvex‧a‧tious /vekˈseɪʃəs/ adjective old-fashionedANNOYmaking you feel annoyed or worried —vexatiously adverbExamples from the Corpusvexatious• No doubt it was very vexatious to Lanfranc, especially since he doubted whether their so-called saints deserved this title at all.From Longman Business Dictionaryvexatiousvex‧a‧tious /vekˈseɪʃəs/ adjectiveLAWvexatiouslegal actions are not serious or based on the truth, but are done only to annoy someoneWe may have found a way to get aroundvexatious shareholderlitigation.