Open
Open adjective - Allowing passage without obstruction.
Proper and open are semantically related. in accessible topic. In some cases you can use "Proper" instead an adjective "Open".
Both words in one sentence
- They exist in alternate universes, that any summoner with proper training can open a gate into and unleash them onto the world.
Source: Pure Magic Being -
Due to the Dead: Bullock insists on giving a Sioux raider who tried to kill him not just a proper burial, but a proper Sioux open-air burial, despite there being a large bounty for their heads.
Source: Series / Deadwood - In a similar vein, MythBusters was once able to open a fingerprint-scanning lock by pressing a photocopy of the proper print against it.
Source: Facial Recognition Software
Cite this Source
Proper and Open. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/open/proper
Open & Proper. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/open/proper>.
Proper or Open. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/open/proper.
Google Ngram Viewer shows how "open" and "proper" have occurred on timeline