4 entries under rare topic. ×

8
threatened(verb, adjective, endangered)
2
at risk(expression, adjective, idiom, danger)
1
in danger(expression, adjective, threatened)
0
facing extinction(expression, threatened)
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APASmart Define. (2015). imperiled thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/imperiled/thesaurus/synonyms
ChicagoSmart Define. 2015. "imperiled thesaurus" https://smartdefine.org/imperiled/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, imperiled thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/imperiled/thesaurus/synonyms>.
MLASmart Define. "imperiled thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/imperiled/thesaurus/synonyms>