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View synonyms for

idea

[ ahy-dee-uh, ahy-deeuh ]

noun

  1. any conception existing in the mind as a result of mental understanding, awareness, or activity.
  2. a thought, conception, or notion:

    That is an excellent idea.

  3. an impression:

    He gave me a general idea of how he plans to run the department.

  4. an opinion, view, or belief:

    His ideas on raising children are certainly strange.

    Synonyms: ,

  5. a plan of action; an intention:

    the idea of becoming an engineer.

  6. a groundless supposition; fantasy.
  7. Philosophy.
    1. a concept developed by the mind.
    2. a conception of what is desirable or ought to be; ideal.
    3. (initial capital letter) Platonism. Also called form. an archetype or pattern of which the individual objects in any natural class are imperfect copies and from which they derive their being.
    4. Kantianism. idea of pure reason.
  8. Music. a theme, phrase, or figure.
  9. Obsolete.
    1. a likeness.
    2. a mental image.


Idea

1

/ ɪˈɪə /

noun

  1. another name for Form
“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

idea

2

/ ɪˈɪə /

noun

  1. any content of the mind, esp the conscious mind
  2. the thought of something

    the very idea appals me

  3. a mental representation of something

    she's got a good idea of the layout of the factory

  4. the characterization of something in general terms; concept

    the idea of a square circle is self-contradictory

  5. an individual's conception of something

    his idea of honesty is not the same as yours and mine

  6. the belief that something is the case

    he has the idea that what he's doing is right

  7. a scheme, intention, plan, etc

    here's my idea for the sales campaign

  8. a vague notion or indication; inkling

    he had no idea of what life would be like in Africa

  9. significance or purpose

    the idea of the game is to discover the murderer

  10. philosophy
    1. a private mental object, regarded as the immediate object of thought or perception
    2. a Platonic Idea or Form
  11. music a thematic phrase or figure; motif
  12. obsolete.
    a mental image
  13. get ideas
    to become ambitious, restless, etc
  14. not one's idea of
    not what one regards as (hard work, a holiday, etc)
  15. that's an idea
    that is worth considering
  16. the very idea!
    that is preposterous, unreasonable, etc
“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
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Usage

It is usually considered correct to say that someone has the idea of doing something, rather than the idea to do it: he had the idea of taking (not the idea to take ) a short holiday
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Derived Forms

  • ˈ𲹱, adjective
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Other Word Forms

  • ·a· adjective
  • i·a noun
  • ܲi·a noun
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Word History and Origins

Origin of idea1

First recorded in 1400–50; from Late Latin from Greek é “form, pattern,” equivalent to ide- (stem of î “to see”) + - feminine noun ending; replacing late Middle English idee from Middle French from Late Latin, as above; akin to wit 1
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Word History and Origins

Origin of idea1

C16: via Late Latin from Greek: model, pattern, notion, from idein to see
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Idioms and Phrases

see bright idea ; put ideas in someone's head ; what's the idea .
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Example Sentences

Examples have not been reviewed.

Those opposing it said the idea was divisive, would create special "classes" of citizens where some have more rights than others, and the new advisory body would slow government decision-making.

From

Amazon’s stock dropped after the White House’s remarks, but jumped back up after the company said it wouldn’t go through with the idea.

From

The unsuspecting saints may be gone by the time they realize that the pedestal to which we annexed them was a cliff or tripwire trapping them in the theater of an idea of themselves.

From

"All Up In My Grill" reimagines the traditional cooking show by extending the idea of grilling beyond its usual confines.

From

"The very idea that the FA can disregard the Supreme Court shows a foolhardy contempt for the law. Every passing day makes it worse" he said.

From

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When To Use

are other ways to say idea?

An idea is any conception existing in the mind as a result of mental understanding, awareness, or activity. How is idea different from thought, conception, and notion? Learn more on .

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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IDEidea hamster