believe is one of the 1000 most common headwords. behind - believe - benefit Pronunciation IPA (key): /bɪˈliːv/ or /bəˈliːv/ SAMPA: /bI"li:v/ or /b@"li:v/ Audio (US)(file) Verb Plain form believe Third-person singular believes Past tense believed Past participle believed Present participle believing (intransitive) When you believe, you have faith in something. He believes in one God. (transitive & intransitive) When you believe something, you accept it as true. He was wrong when he believed all of the lies he was told. I believe that the man told the truth. Synonyms think Related words disbelief believable unbelievable unbelievably believer unbeliever disbelievingly disbeliever unbelief unbelieving unbelievingly disbelieve This short entry needs someone to make it better. You can help Wiktionary by adding to it.Wikiwand - on Seamless Wikipedia browsing. On steroids.