Alert
Both words in one sentence
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The "Unscheduled Offworld Activation" alert, where someone potentially hostile dials in to the SGC gate at a period when they're not expecting arrivals, does use spinning red lights and sirens.
Source: Red Alert - The Laputan intellectuals in Gulliver's Travels, depicted as so wrapped up in their thoughts that they had servants to alert them when someone was talking to them, when someone was expecting a reply from them, when they were in danger of bumping into something, etc.
Source: TV Genius
Cite this Source
Expecting and Alert. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/alert/expecting
Alert & Expecting. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/alert/expecting>.
Expecting or Alert. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/alert/expecting.
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