HAPPEN definition: 1. (of a situation or an event) to have existence or come into existence: 2. If something happens…. Learn more. HAPPENS definition: present tense form of happen (3rd person singular). See examples of happens used in a sentence. Synonyms for HAPPENS: occurs, is, comes, does, passes, transpires, befalls, comes down, goes on, chances HAPPEN meaning: 1. (of a situation or an event) to have existence or come into existence: 2. If something happens…. Learn more. HAPPEN definition: to take place; come to pass; occur. See examples of happen used in a sentence. happen (third-person singular simple present happens, present participle happening, simple past and past participle happened) (intransitive) To occur or take place. come to pass Happen. Vocabulary.com Dictionary, Vocabulary.com, . Accessed 15 Sept. 2026. Copy citation Define happens. happens synonyms, happens pronunciation, happens translation, English dictionary definition of happens. v. hap·pened , hap·pen·ing , hap·pens v. intr. 1. a. To come to pass: Where did the accident happen? b. To come about as a consequence; result: Trouble. The meaning of HAPPEN is to occur by chance —often used with it. How to use happen in a sentence. This type of stuff happens from time to time. Happenes “Happenes” is a misspelling of the word “happens”. You should not use “happenes” in English. Happens We use “Happens” with the third person singular for the verb “to happen”. Happen” is a strange verb because we do not usually use “happen” with human subjects. For this reason, you can usually use “happen” with.