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Synonyms

define

American  
[dih-fahyn] / dɪˈfaɪn /

verb (used with object)

defined, defining
  1. to state or set forth the meaning of (a word, phrase, etc.).

    They disagreed on how to define “liberal.”

  2. to explain or identify the nature or essential qualities of; describe.

    to define judicial functions.

  3. to fix or lay down clearly and definitely; specify distinctly.

    to define one's responsibilities.

    Synonyms:
    enumerate, detail, describe, name, state
  4. to determine or fix the boundaries or extent of.

    to define property with stakes.

  5. to make clear the outline or form of.

    The roof was boldly defined against the sky.


verb (used without object)

defined, defining
  1. to set forth the meaning of a word, phrase, etc.; construct a definition.

define British  
/ dɪˈfaɪn /

verb

  1. to state precisely the meaning of (words, terms, etc)

  2. to describe the nature, properties, or essential qualities of

  3. to determine the boundary or extent of

  4. (often passive) to delineate the form or outline of

    the shape of the tree was clearly defined by the light behind it

  5. to fix with precision; specify

"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

Other Word Forms

  • definability noun
  • definable adjective
  • definably adverb
  • definement noun
  • definer noun
  • misdefine verb (used with object)
  • nondefinability noun
  • nondefinable adjective
  • nondefinably adverb
  • nondefined adjective
  • nondefiner noun
  • predefine verb (used with object)
  • redefine verb (used with object)
  • self-defined adjective
  • semidefined adjective
  • undefinable adjective

Etymology

Origin of define

First recorded in 1325–75; Middle English def(f)inen, from Anglo-French, Old French definer “to put an end to,” from Latin dēfīnīre ”to limit, define,“ equivalent to dē- “from, away from, out of” + fīnīre “to end”; de-, finish

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.

They helped define the Italian operatic tradition and influenced centuries of Western music.

From Salon

“Again, we are deeply sorry, and this is a terrible incident, and it does not define our school,” she added.

From Los Angeles Times

She defined the vote as a "first milestone for defining rules for chemical recycling at EU-level."

From Barron's

It will push cars to become computers on wheels, defined by giant screens and frequent software updates.

From The Wall Street Journal

A classical solid is defined by atoms locked into a rigid, repeating crystal structure.

From Science Daily