32 entries under expression topic. ×

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in danger(weak, sensitive, susceptible, vulnerable)
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in peril(sensitive, susceptible)
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laid open(sensitive, susceptible)
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left open(sensitive, susceptible)
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like a thunderbolt(idiom, inexpectation)
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not safeguarded
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off one's guard(idiom, neglect)
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out on a limb(idiom, weak, tender, insecure)
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per incuriam(idiom, neglect)
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sitting duck(weak, tender, susceptible, vulnerable)
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without notice(idiom, inexpectation)
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without warning(idiom, inexpectation)
<12>
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APASmart Define. (2015). unguarded thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unguarded/thesaurus/synonyms
ChicagoSmart Define. 2015. "unguarded thesaurus" https://smartdefine.org/unguarded/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unguarded thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unguarded/thesaurus/synonyms>.
MLASmart Define. "unguarded thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/unguarded/thesaurus/synonyms>