verb
- Cause to open or to become open.
- usage: "Mary opened the car door"
- synonyms: open
- Become available.
- usage: "an opportunity opened up"
- synonyms: open
- Make available.
- usage: "This opens up new possibilities"
- synonyms: open
- Open up an area or prepare a way.
- usage: "She pioneered a graduate program for women students"
- synonyms: pioneer
- Start to operate or function or cause to start operating or functioning.
- usage: "open a business"
- synonyms: open
- Become open.
- usage: "The door opened"
- synonyms: open
- Talk freely and without inhibition. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Open up. Retrieved September 22, 2026, from http://smartdefine.org/open_up/definitions/1298785 |
| Chicago | WordNet. 2010. "Open up" http://smartdefine.org/open_up/definitions/1298785 (accessed September 22, 2026). |
| Harvard | WordNet 2010, Open up, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/open_up/definitions/1298785>. |
| MLA | WordNet. "Open up" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/open_up/definitions/1298785> |