Open up and Release

Open up

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

Release is an antonym for open up in find topic.

Release

Release verb - To set free (from a state of being held in check).

Open up is an antonym for release.

Nearby Words: released, releasing

Both terms in one sentence

  • The bat bomb, a hollow bomb casing intended to be dropped from a bomber that would open up and release over a thousand bats over a Japanese city.
    Source: Trick Bomb
  • At least once an episode the trap door would open up and release a monster for Berk and his friends to deal with as it causes chaos around the castle.
  • Zeppelins from Another World Iron Sky has zeppelins that can somehow travel through space from the Moon, and open up to release a swarm of Nazi Flying Saucers.
Cite this Source
Release and Open up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/open_up/release
Open up & Release. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/open_up/release>.
Release or Open up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/open_up/release.
Google Ngram Viewer shows how "open up" and "release" have occurred on timeline