93 entries under warning topic. ×

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spial
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spy
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squeal(alert, caution, bell, siren)
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undercover agent(expression, idiom)
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vedette
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vibes(sign, omen)
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watch
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watch and ward(expression, idiom)
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watchdog
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watchman
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watchtower
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word of warning(expression, idiom, notice, caution)
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writing on the wall(expression, idiom, notice)
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APASmart Define. (2016). signal thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/signal/thesaurus/synonyms
ChicagoSmart Define. 2016. "signal thesaurus" https://smartdefine.org/signal/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, signal thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/signal/thesaurus/synonyms>.
MLASmart Define. "signal thesaurus" 1 March 2016. Web. 29 September 2026. <https://smartdefine.org/signal/thesaurus/synonyms>