Dictionary.com

FIND THE RIGHT DEFINITION

Looking for Synonyms instead? Go to Thesaurus.com.

definition

[ def-uh-nish-uhn ]
/ ˌdɛf əˈnɪʃ ən /
Save This Word!

noun
the act of defining, or of making something definite, distinct, or clear: We need a better definition of her responsibilities.
the formal statement of the meaning or significance of a word, phrase, idiom, etc., as found in dictionaries. An online dictionary resource, such as Dictionary.com, can give users direct, immediate access to the definitions of a term, allowing them to compare definitions from various dictionaries and stay up to date with an ever-expanding vocabulary.
the condition of being definite, distinct, or clearly outlined: His biceps have great muscle definition.
Optics. sharpness of the image formed by an optical system.
Radio and Television. the accuracy of sound or picture reproduction.

VIDEO FOR DEFINITION

Can You Guess These Words From Their Definitions?

In this game, one person is going to share the definition of a word they chose. Then, another person has to guess what word it is. You should guess along at home! Don’t worry: we’ll have clues!

MORE VIDEOS FROM DICTIONARY.COM
QUIZ
FIRE UP YOUR VOCAB FOR A "RED" SYNONYMS QUIZ
No fire engine reds here, only a fierce collection of vibrant words for the color red to test yourself on.
Question 1 of 7
What does "amaranth" mean?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of definition

First recorded in 1350–1400; Middle English diffinicioun, from Old French diffinition, from Latin dēfīnītiōn- (stem of dēfīnītiō ), equivalent to dēfīnīt(us) (see definite) + -iōn- noun suffix (see -ion)

OTHER WORDS FROM definition

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use definition in a sentence

British Dictionary definitions for definition

definition
/ (ˌdɛfɪˈnɪʃən) /

noun
a formal and concise statement of the meaning of a word, phrase, etc
the act of defining a word, phrase, etc
specification of the essential properties of something, or of the criteria which uniquely identify it
the act of making clear or definite
the state or condition of being clearly defined or definite
a measure of the clarity of an optical, photographic, or television image as characterized by its sharpness and contrast

Derived forms of definition

definitional, adjective
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
FEEDBACK