Launch
Launch verb - To take the first step in (a process or course of action).
Usage example: she launched a career in journalism after quitting acting school
Open is a synonym for launch in start topic. In some cases you can use "Open" instead a verb "Launch", when it comes to topics like begin, set in motion.
Common collocations
Both words in one sentence
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He then dramatically throws open the robe to reveal dozens of lit fireworks, all of which launch and begin going off, causing chaos and confusion.
Source: Trench Coat Warfare - They share a lot of similarity with the Cold War nukes the US and USSR were amassing, and might be in fact nukes, but the game leaves that open to interpretation, as they never launch.
Source: Nuclear Weapons Taboo -
If the Stormcloaks won, the Empire would be weakened significantly, recall their troops and leaving Skyrim wide open for the Aldmeri Dominion to launch an invasion.
Source: Didn't See That Coming
Cite this Source
Open and Launch. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/launch/open
Launch & Open. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/launch/open>.
Open or Launch. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/launch/open.
Google Ngram Viewer shows how "launch" and "open" have occurred on timeline