[ in-fawrmd ]
/ ɪnˈfɔrmd /


having or prepared with information or knowledge; apprised: an informed audience that asked intelligent questions.

Nearby words

  1. information warfare,
  2. informational,
  3. informative,
  4. informatory,
  5. informatory double,
  6. informed consent,
  7. informer,
  8. informercial,
  9. informing gun,
  10. informosome

Origin of informed

late Middle English word dating back to 1400–50; see origin at inform1, -ed2

Related formsin·form·ed·ly [in-fawr-mid-lee] /ɪnˈfɔr mɪd li/, adverbhalf-in·formed, adjectivequa·si-in·formed, adjectiveun·in·formed, adjective


[ in-fawrm ]
/ ɪnˈfɔrm /

verb (used with object)

verb (used without object)

to give information; supply knowledge or enlightenment: a magazine that entertains more than it informs.

Verb Phrases

inform on, to furnish incriminating evidence about (someone) to an authority, prosecuting officer, etc.: He informed on his accomplices.

Origin of inform

1275–1325; Middle English informen < Latin infōrmāre to form, shape, equivalent to in- in-2 + fōrmāre to form; replacing Middle English enfourmen < Middle French enfourmer < Latin, as above

Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for informed

British Dictionary definitions for informed


/ (ɪnˈfɔːmd) /


having much knowledge or education; learned or cultured
based on informationan informed judgment


/ (ɪnˈfɔːm) /


Derived Formsinformable, adjectiveinformedly (ɪnˈfɔːmɪdlɪ), adverbinformingly, adverb

Word Origin for inform

C14: from Latin informāre to give form to, describe, from formāre to form


/ (ɪnˈfɔːm) /


archaic without shape; unformed

Word Origin for inform

C16: from Latin informis from in- 1 + forma shape

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for informed



early 14c., "to train or instruct in some specific subject," from Old French informer "instruct, inform, teach," and directly from Latin informare "to shape, form," figuratively "train, instruct, educate," from in- "into" (see in- (2)) + formare "to form, shape," from forma "form" (see form (n.)). Varied with enform until c.1600. Sense of "report facts or news" first recorded late 14c. Related: Informed; informing.

Online Etymology Dictionary, © 2010 Douglas Harper