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noun be·lief \bə-ˈlēf\

Simple Definition of belief

  • : a feeling of being sure that someone or something exists or that something is true

  • : a feeling that something is good, right, or valuable

  • : a feeling of trust in the worth or ability of someone

Source: Merriam-Webster's Learner's Dictionary

Full Definition of belief

  1. 1 :  a state or habit of mind in which trust or confidence is placed in some person or thing

  2. 2 :  something believed; especially :  a tenet or body of tenets held by a group

  3. 3 :  conviction of the truth of some statement or the reality of some being or phenomenon especially when based on examination of evidence

Examples of belief in a sentence

  1. There is growing belief that these policies will not succeed.

  2. He gets angry if anyone challenges his religious beliefs.

  3. We challenged his beliefs about religion.

Origin of belief

Middle English beleave, probably alteration of Old English gelēafa, from ge-, associative prefix + lēafa; akin to Old English lȳfan — more at believe

First Known Use: 12th century

Synonym Discussion of belief

belief, faith, credence, credit mean assent to the truth of something offered for acceptance. belief may or may not imply certitude in the believer <my belief that I had caught all the errors>. faith almost always implies certitude even where there is no evidence or proof <an unshakable faith in God>. credence suggests intellectual assent without implying anything about grounds for assent <a theory now given credence by scientists>. credit may imply assent on grounds other than direct proof <gave full credit to the statement of a reputable witness>.

synonyms see in addition opinion

BELIEF Defined for Kids


noun be·lief \bə-ˈlēf\

Definition of belief for Students

  1. 1 :  a feeling of being sure that a person or thing exists or is true or trustworthy <belief in ghosts> <belief in democracy>

  2. 2 :  religious faith

  3. 3 :  something believed <It's my belief that our team really won.>

Law Dictionary


noun be·lief

Legal Definition of belief

  1. :  a degree of conviction of the truth of something especially based on a consideration or examination of the evidence — compare knowledge, suspicion

Seen and Heard

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to manage or play awkwardly

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