informed UK /ɪnˈfɔːmd/US /ɪnˈfɔɹmd/ adjective5 •aware of the facts about something after being told them or learning themAn informed young man delivered a lecture on the history of modern art. •Based on knowledge; founded on due understanding of a situation.Another informed and sobering estimate is that by 1800 indigenous populations in the western hemisphere were a tenth of what they had been three centuries before. — 2009 •(no longer used) Created, given form.after Nilus invndation, Infinite shapes of creatures men do fynd, Informed in the mud, on which the Sunne hath shynd. — 1590 •(no longer used) Unformed or ill-formed; deformed; shapeless.But, mindfull still of your first countries sight, Doe still preserve your first informed grace, Whose shadow yet shynes in your beauteous face — 1596 •(no longer used) Not included within the figures of any of the ancient constellations.the informed stars formsmore informed · most informed