/ ɪmˈpɔːtʃənət; NAmE -ˈpɔːrt-/ adjective
( formal ) asking for things many times in a way that is annoying
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WORD ORIGIN
early 16th cent.: from Latin importunus inconvenient, unseasonable, based on Portunus , the name of the god who protected harbours (from portus harbour); compare with opportune .