FluentPlex
Type an English word in any form (went, children, happier).

open up

verb
  1. To open. · Some vacancies have opened up due to retirements.· Open up the door!
  2. To widen. · The corridor gradually opened up into a triangular room.
  3. To bring up (a topic etc.). (transitive)
  4. To reveal (oneself); to share personal information about oneself; to become communicative. · After three hours of questioning, he finally opened up.
  5. To commence firing weapons. (intransitive) · As the convoy entered the pass, we opened up on them with everything we had.
  6. To rain. (figuratively, intransitive) · The sky has really opened up. I've never seen this much rain!
  7. To berate; to begin shouting at or insulting someone or something. (intransitive) · As soon as she saw him, she just opened up!
  8. To begin running, driving, travelling, etc., at maximum (or faster) speed. (intransitive)
+ Save to review

From the library

Thick pine forests replaced the bare rock, and the wide valleys seemed to open up.
Through the Canadian Rockies, p. 1 · B2

Learn open up in real texts

With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.

Create free account
Words, meanings, pronunciations and translations from Wiktionary (CC BY-SA 4.0); how common each word is from wordfreq. Made into this dictionary by FluentPlex.