informed 1 Participle of inform . 2 adj. It applies to the person who presents or can present reports about his person, his services, etc. Well informed. 1 It is said of the person who has exact reports about a certain thing. 2 Also, of the one that presents good reports about his person. Misinformed. 1 It is said who does not have reports or has inaccurate about a certain thing. Ignorant. 2 It can be applied, but it is not current, to the person with whom there are bad reports.