open up
verb
Forms opens up opening up opened up
- verb (ambitransitive) To open. “Some vacancies have opened up due to retirements.”
- verb (ambitransitive) To widen. “The corridor gradually opened up into a triangular room.”
- verb (transitive) To bring up (a topic etc.).
- verb (ambitransitive) To reveal (oneself); to share personal information about oneself; to become communicative. “After three hours of questioning, he finally opened up.”
- verb (intransitive) To commence firing weapons. “As the convoy entered the pass, we opened up on them with everything we had.”
- verb (intransitive, figuratively, of the sky) To rain. “The sky has really opened up. I've never seen this much rain!”
- verb (intransitive) To berate; to begin shouting at or insulting someone or something. “As soon as she saw him, she just opened up!”
- verb (intransitive) To begin running, driving, travelling, etc., at maximum (or faster) speed.
Synonyms
Antonyms
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “open up”, CC BY-SA 4.0. Details