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conception

American  
[kuhn-sep-shuhn] / kənˈsɛp ʃən /

noun

conceptions plural
  1. the act of conceiving; the state of being conceived.

  2. fertilization; inception of pregnancy.

  3. a notion; concept.

    She has some odd conceptions about life.

  4. something that is conceived.

    That machine is the conception of a genius.

  5. origination; beginning.

    The organization has been beset by problems from its conception.

  6. a design; plan.

  7. a sketch of something not actually existing.

    an artist's conception of ancient Athens.

  8. the act or power of forming notions, ideas, or concepts.


conception British  
/ kənˈsɛpʃən /

noun

  1. something conceived; notion, idea, design, or plan

  2. the description under which someone considers something

    her conception of freedom is wrong

  3. the fertilization of an ovum by a sperm in the Fallopian tube followed by implantation in the womb

  4. origin or beginning

    from its conception the plan was a failure

  5. the act or power of forming notions; invention

"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

conception Scientific  
/ kən-sĕpshən /
  1. The formation of a zygote resulting from the union of a sperm and egg cell; fertilization.


conception Cultural  
  1. Fertilization; the union of the sperm and ovum to form a zygote. (See reproductive systems.)


Usage

What are other ways to say conception? A conception is a notion or idea that seems complete, individual, or somewhat intricate. Do you know when to use conception, thought, idea, and notion? Learn more on Thesaurus.com. 

Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of conception

First recorded in 1300–50; Middle English concepcion from Latin conceptiōn- (stem of conceptiō ), equivalent to Latin concept- ( see concept) + -iōn- -ion

Explanation

Conception means any idea or concept, or a sum of ideas and concepts. Your conception for designing the little girl's room with a princess theme was a hit. Her evil stepsisters are jealous. The noun conception can also mean a beginning — of anything in general, or of a pregnancy, specifically. August 15 marked the anniversary of the conception of your design business. Your parents told me their youngest child has been a holy terror since conception. So, do you get along with your older siblings?

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Vocabulary lists containing conception

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

For many years, the Supreme Court refused to embrace this two-dimensional conception of equal protection.

From Slate • Jun. 22, 2026

The trio are also keen to raise awareness around donor conception, something Natasha described as "a silent subject".

From BBC • Jun. 18, 2026

The mushy score, absurdly pompous speeches, and Victorian staginess harmonize with Mr. Fraser’s conception of his role as the emoter in chief.

From The Wall Street Journal • May 28, 2026

Fourteen years after its conception, museumgoers will starting May 1 be able to walk the replica ship's decks, immersed in a giant, wrap-around LED display of star-studded night skies.

From Barron's • Apr. 28, 2026

Even in his discussion of Harvard, it’s as if Langan has no conception of the culture and particulars of the institution he’s talking about.

From "Outliers" by Malcolm Gladwell

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