Alarm and Security

Opposite meaning words

Alarm noun - Suspicion or fear of future harm or misfortune.

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Security is an antonym for alarm in topics: warning, feeling of sudden fear.

Nearby Words: alarming, alarmed, alarmingly, alarmist

Security noun - Means or method of defending.

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Alarm is an antonym for security in threat topic.

Nearby Words: secure, securely

low	low alarm	low security
complete	complete alarm	complete security
standard	standard alarm	standard security
effective	effective alarm	effective security
Other adjectives: actual, serious, bad, false, internal, possible, random.

A certain Star Trek-style alarm sound is used in the Deus Ex games, and on some TV security commericals.

Source: Stock Sound Effects aka: Stock Sound Effect
So you can wait out a security bot alarm safely by just standing still (around 2:30 in the video).

Source: Invisibility Flicker
In certain jobs, such as Day 1 of Big Oil, shooting a camera will instantly raise the alarm if the security room is still manned, as the people inside are expecting you.

Source: Video Game / PAYDAY 2

Cite this Source

Security and Alarm. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/alarm/security

Alarm & Security. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/alarm/security>.

Security or Alarm. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/alarm/security.

Google Ngram Viewer shows how "alarm" and "security" have occurred on timeline