Open up and Take back

Open up

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

Take back is an antonym for open up in bring up a topic topic.

Take back

Take back verb - To solemnly or formally reject or go back on (as something formerly adhered to).

Open up is an antonym for take back.
Cite this Source
Take back and Open up. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/open_up/take_back
Open up & Take back. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/open_up/take_back>.
Take back or Open up. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/open_up/take_back.
Google Ngram Viewer shows how "open up" and "take back" have occurred on timeline