Open
Open adjective - Allowing passage without obstruction.
Suspicious and open are semantically related In some cases you can use "Suspicious" instead an adjective "Open".
Suspicious
Suspicious adjective - Giving good reason for being doubted, questioned, or challenged.
Usage example: suspicious claims of being the rightful owner of the property
Open and suspicious are semantically related in doubtful topic. Sometimes you can use "Open" instead an adjective "Suspicious".
Nearby Words: suspicion, suspiciously
Both words in one sentence
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The guards will get suspicious if a door is open that shouldn't be open.
Source: Video Game / Thief -
The problem is, the more times you make the SAME guards suspicious, the more likely they are to open fire.
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Suspicious Video Game Generosity: Hey, why does this large, open area have so many health and ammo pickups everywhere?
Source: Video Game / Hard Reset
Cite this Source
Suspicious and Open. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/open/suspicious
Open & Suspicious. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/open/suspicious>.
Suspicious or Open. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/open/suspicious.
Google Ngram Viewer shows how "open" and "suspicious" have occurred on timeline