Open and Secure

Open

Open adjective - Allowing passage without obstruction.

Secure is an antonym for open.

Nearby Words: opening, openness, opened, opener

Secure

Secure adjective - Not exposed to the threat of loss or injury.
Usage example: the fortress was thought to be secure against attack

Open is an antonym for secure in topics: attach, protect.

Nearby Words: security, secured, securing, securely

Common collocations

passage open passage secure passage
path open path secure path
gate open gate secure gate

Both words in one sentence

  • Knockout Gas A secure vault will release sleep gas if one of the necessary combinations to open it is not entered correctly.
    Source: Knockout Gas
  • All the books were chained to the shelf save one, open on the table at a page entitled ‘How to secure a room from the inside’.
  • The doors open only for the player who installed them, turning any building into a secure hiding place or storage area.
Cite this Source
Secure and Open. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/open/secure
Open & Secure. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/open/secure>.
Secure or Open. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/open/secure.
Google Ngram Viewer shows how "open" and "secure" have occurred on timeline