informed

• (General American) IPA^(key): /ɪnˈfɔɹmd/
• (Received Pronunciation) IPA^(key): /ɪnˈfɔːmd/

• Audio (US)

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inform +‎ -ed

informed

1. simple past tense and past participle of inform

informed (comparative more informed, superlative most informed)

1. Instructed; having knowledge of a fact or area of education.

   An informed young man delivered a lecture on the history of modern art.

2. Based on knowledge; founded on due understanding of a situation.
   • 2009, Diarmaid MacCulloch, A History of Christianity, Penguin 2010, p. 696:

     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.

in- +‎ formed the first sense probably uses in- (“in”), the second sense uses in- (“prefix of negation”).

informed (comparative more informed, superlative most informed)

1. (obsolete) Created, given form.
   • 1590, Edmund Spenser, The Faerie Queene, III.vi:

     after Nilus invndation, / Infinite shapes of creatures men do fynd, / Informed in the mud, on which the Sunne hath shynd.

2. (obsolete) unformed or ill-formed; deformed; shapeless

   (Can we find and add a quotation of Edmund Spenser to this entry?)

3. (astronomy, obsolete) Not included within the figures of any of the ancient constellations.

   the informed stars

• foremind, friendom