Opened and Open up

Opened

Opened adjective - Not sealed or having been unsealed.

Open up is a synonym for opened. In some cases you can use "Open up" instead a verb "Opened".

Nearby Words: open, opening, opener

Open up

Open up verb - Cause to open or to become open.

Opened is a synonym for open up. Sometimes you can replace term "Opened" with "Open up", this verbs are similar.
Cite this Source
Open up and Opened. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/opened/open_up
Opened & Open up. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/opened/open_up>.
Open up or Opened. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/opened/open_up.
Google Ngram Viewer shows how "opened" and "open up" have occurred on timeline