44 entries under warning topic. ×

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blast(alert, cry, caution, signal)
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clock(alert, cry, caution, signal)
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cry(alert, caution, signal, whistle)
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death watch(expression, idiom)
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drum(alert, cry, caution, signal)
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flap(alert, cry, caution, signal)
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flash(alert, cry, caution, signal)
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fog-signal
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forewarning(alert, caution, signal, bell)
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gathering clouds(expression, idiom)
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nod(alert, cry, caution, signal)
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red flag(expression, idiom)
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scramble(alert, cry, caution, signal)
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scream(alert, cry, caution, signal)
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shout(alert, cry, caution, signal)
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sign(alert, caution, signal, bell)
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squeal(alert, cry, caution, signal)
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stormy petrel(expression, idiom)
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tip(alert, caution, signal, bell)
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trumpet(alert, cry, caution, signal)
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APASmart Define. (2015). siren thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/siren/thesaurus/synonyms
ChicagoSmart Define. 2015. "siren thesaurus" https://smartdefine.org/siren/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, siren thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/siren/thesaurus/synonyms>.
MLASmart Define. "siren thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/siren/thesaurus/synonyms>