importunate (from the Latin importunus ; Be, Be , Be only applied to people) adj. It is said of the person or thing that arrives, says or does something, occurs, is done or is said, at an inappropriate or inconvenient moment: An importunate rain . Inopportune. Sometimes it has more accentuated the meaning of indiscreet, annoying or annoying, applied, for example, to a person who with his little touch disgusts or annoys other people or gives a bad impression of himself: He was very importunate talking about his successes .