Definition of "idea" [i•de•a]

  • Something, such as a thought or conception, that potentially or actually exists in the mind as a product of mental activity. (noun)
  • An opinion, conviction, or principle: has some strange political ideas. (noun)
  • A plan, scheme, or method. (noun)
  • The gist of a specific situation; significance: The idea is to finish the project under budget. (noun)
  • A notion; a fancy. (noun)
  • Any content of the mind, esp the conscious mind (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • The thought of something (noun)
  • A mental representation of something (noun)
  • The characterization of something in general terms; concept (noun)
  • An individual's conception of something (noun)
  • The belief that something is the case (noun)
  • A scheme, intention, plan, etc (noun)
  • A vague notion or indication; inkling (noun)
  • Significance or purpose (noun)
  • A private mental object, regarded as the immediate object of thought or perception (noun)
  • A Platonic Idea or Form (noun)
  • A thematic phrase or figure; motif (noun)
  • A mental image (noun)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "idea" in a sentence
  • "Scratch that "great idea," bit, here's a *stupid idea*: only Internet Explorer...."
  • "Or rather it might be said that an idea, the _big idea_, danced unceremoniously into his brain, and, beginning to take definite and concrete form, chased a score of other smaller ideas through all the thought-channels of his handsome, boyish, well-rounded head."
  • "The modern idea lays stress first of all on the _idea_ in music."