Meaning & use

definition

noun·Everyday

Last updated

UK/ˌdefɪˈnɪʃn/
US/ˌdefəˈnɪʃn/

Meanings

  1. nouncountable

    A statement that explains what a word or phrase means.

    Grammar: Has a plural: the dictionary gives two definitions.

    Patterns

    • the definition of something
    • a definition of something

    Look up the definition of the word in a dictionary.

    The teacher asked us to write our own definition of freedom.

    This term has several different definitions in law and in science.

  2. nouncountable

    A statement of what something is, which sets out exactly what counts as part of it and what does not.

    Grammar: Often used with by: by definition, which means that it is necessarily so.

    Patterns

    • by definition
    • the definition of something

    By definition, a bachelor is an unmarried man.

    Experts disagree on the exact definition of poverty.

    The new law gives a broad definition of public property.

  3. noununcountable

    How sharp and clear the edges of an image or sound are.

    Grammar: No plural and no article: the picture has good definition.

    Patterns

    • lack definition
    • high definition

    The old photograph lacks definition.

    High-definition screens show the grass in fine detail.

    Exercise gave her arms more muscle definition.

Word forms

pluraldefinitions

Common combinations

dictionary definition
The dictionary definition did not help me much.
by definition
A secret is, by definition, not shared.
broad definition
The policy uses a broad definition of family.
precise definition
A precise definition of the term is hard to find.
high definition
We watched the match in high definition.
give a definition
Can you give a definition of democracy?

Synonyms and how they differ

explanation
An explanation can be long and discuss why or how, while a definition is a short statement of meaning.
meaning
Meaning is what a word expresses, while a definition is the words used to state it.
clarity
Clarity suits the third sense, since it describes how clear something is, but it does not suggest sharp outlines specifically.

Word family

define verb
to state the meaning of something or set its limits
definite adjective
clear and certain, not vague
definitive adjective
final and authoritative, as in the definitive guide
definitional adjective
relating to a definition
redefine verb
to give something a new definition

Commonly confused: definition or definite?

definition vs definite

Definite means clear or certain, as in a definite answer. Definition is the noun for a statement of meaning. Note too that the spelling is definition, never defination.

Practice

Which sentence uses definition correctly?

Make it your own

Write a sentence using “definition”, then check it and compare it with the examples above.

Your sentence stays on this page and is not sent anywhere.

Explore more words