Alert
Immediate
Immediate adjective - Done or occurring without any noticeable lapse in time.
Alert and immediate are semantically related. Sometimes you can use "Alert" instead an adjective "Immediate".
Nearby Words: immediately, immediacy
Both words in one sentence
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Make the slightest noise on a metal surface, or shoot an arrow at a wall, and most of the time everyone in the immediate vicinity will be on full alert looking for you.
Source: It's Probably Nothing -
Subverted later in the same episode: Anita's initial attempts to alert the party to her predicament were ignored, but her remark that she had two shadows drew their immediate and total attention.
Source: Not Now, Kiddo aka: Not Now Kid -
All Crimes Are Equal: The games tend to give most guards only two alert levels - "perfectly fine" and "immediate application of deadly force".
Source: Video Game / Hitman
Cite this Source
Immediate and Alert. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/alert/immediate
Alert & Immediate. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/alert/immediate>.
Immediate or Alert. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/alert/immediate.
Google Ngram Viewer shows how "alert" and "immediate" have occurred on timeline