What does believe mean?
The verb "believe" means to accept that something is true, real, or valid, especially without requiring complete proof. It is one of the most fundamental words in English for expressing conviction, whether about everyday facts ("I believe the train leaves at six"), religious faith ("They believe in God"), or confidence in a person's abilities ("I believe in you"). Because belief often involves accepting things beyond direct evidence, the word carries connotations of trust, faith, and sometimes credulity. It appears constantly in both casual conversation and formal discourse, frequently softened with hedges like "I think" or strengthened by phrases like "firmly believe." Related forms include the noun "belief," the noun "believer," the adjective "unbelievable," and the verb "disbelieve." Common collocations such as "make believe," "believe it or not," and "seeing is believing" show how deeply the concept is woven into everyday language.
verbTo accept that something is true or real, or to feel sure that something exists, without needing absolute proof. It can also mean to hold a religious or philosophical conviction, or to think that someone or something has a particular quality.
- To accept that something is true or real (often without proof): 'I believe his story.'
- To hold a religious, moral, or ideological conviction: 'They believe in an afterlife.'
- To think or suppose (often used to soften a statement): 'I believe he's arriving tomorrow.'
"I believe she said the meeting starts at nine."
"Scientists believe the universe is about 13.8 billion years old."
"I don't believe we've met before — I'm Sarah."
The phrase "believe it or not" was popularized by cartoonist Robert Ripley in 1918 — and it's still one of the most recognizable expressions of skepticism-meets-wonder in English.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of believe
The word "believe" comes from the Old English "belēfan," meaning to have faith or confidence in someone, formed from the prefix "be-" plus "lēfan" (to leave, remain, or trust), which shares a root with Germanic words meaning to leave behind or entrust. This root also gives us the related noun "belief" and connects historically to the adjective "lief" (dear) and to words like "love" through broader Indo-European associations. Cognates include German "glauben" (to believe) and Dutch "geloven," though these derive from a different Proto-Germanic root. The spelling with "-ie-" became standard in Early Modern English, partly influenced by analogy with words like "grieve" and "achieve."
Related word forms
How believe is actually used
"Believe" is common across all registers, from casual conversation to formal writing. In polite speech, "I believe..." often functions as a hedging device to soften a claim rather than express deep conviction. The phrase "believe in" carries a stronger sense of faith or trust than plain "believe," which typically concerns factual acceptance.
Easily confused with believe
"Believe" is the verb (the act of accepting something as true), while "belief" is the noun (the thing believed — a conviction or opinion).
"Believe" means to accept as true; "relieve" means to ease pain or burden — they rhyme and share a spelling pattern but have unrelated meanings.