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noun def·i·ni·tion \ˌde-fə-ˈni-shən\

Simple Definition of definition

  • : an explanation of the meaning of a word, phrase, etc. : a statement that defines a word, phrase, etc.

  • : a statement that describes what something is

  • : a clear or perfect example of a person or thing

Source: Merriam-Webster's Learner's Dictionary

Full Definition of definition

  1. 1 :  an act of determining; specifically :  the formal proclamation of a Roman Catholic dogma

  2. 2 a :  a statement expressing the essential nature of something b :  a statement of the meaning of a word or word group or a sign or symbol <dictionary definitions> c :  a product of defining

  3. 3 :  the action or process of stating the meaning of a word or word group

  4. 4 a :  the action or the power of describing, explaining, or making definite and clear <the definition of a telescope> <her comic genius is beyond definition> b (1) :  clarity of visual presentation :  distinctness of outline or detail <improve the definition of an image> (2) :  clarity especially of musical sound in reproduction c :  sharp demarcation of outlines or limits <a jacket with distinct waist definition>


play \-ˈni-shə-nəl\ adjective

Examples of definition in a sentence

  1. For the last eight years or so, I've been watching the evolution of bikes made for women. At the beginning of that time, there were a small number of women's bikes available, most offered with low-end, sometimes no-name, spec, as if by definition all women riders were beginners. —Christine Bucher, Bicycling, March 2008

  2. Not only is Ellen Byrne a chocolatier, but she takes the definition of artisan to a higher level. —Amy Johansson, Chocolatier, February/March 2006

  3. One kind of poverty is that of the imagination—the inability to envision a future truly different from the present. Jasmine had long judged people based on whether or not they gave her food and clothing, but, as she watched Carolyn and Gus and other families, she found herself mulling different gauges of worth. She'd been working lately on a definition of love. —Katherine Boo, New Yorker, 28 Nov. 2005

  4. Ideology thus provides definition of both systemic reality and values: it provides a set of preconceptions of what is and of what ought to be. —Warren J. Samuels, Modern Economic Thought, (1977) 1993

  5. What is the legal definition of a corporation?

  6. A week of fishing is my definition of a vacation.

  7. a monitor with good definition and vibrant colors

Origin and Etymology of definition

Middle English diffinicioun, from Anglo-French, from Latin definition-, definitio, from definire (see define)

First Known Use: 14th century

DEFINITION Defined for Kids


noun def·i·ni·tion \ˌde-fə-ˈni-shən\

Definition of definition for Students

  1. 1 :  a statement of the meaning of a word or a word group

  2. 2 :  clearness of outline or detail <You can adjust the screen for better definition.>

Medical Dictionary


noun def·i·ni·tion \ˌdef-ə-ˈnish-ən\

Medical Definition of definition

  1. :  the action or the power of making definite and clear <the definition of a microscope lens>

Seen and Heard

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to depart quickly

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