Synonyms|74Antonyms|1|Broader|0Narrower|0Related|8

5 entries under idiom topic. ×

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life and death(expression, aper, demoniac, annihilative)
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no laughing matter(expression, aper, demoniac, annihilative)
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of great consequence(expression, aper, demoniac, annihilative)
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out for blood(expression, aper, demoniac, annihilative)
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playing hard ball(expression, aper, demoniac, annihilative)
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APASmart Define. (2013). lethiferous thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/lethiferous/thesaurus/synonyms
ChicagoSmart Define. 2013. "lethiferous thesaurus" https://smartdefine.org/lethiferous/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2013, lethiferous thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/lethiferous/thesaurus/synonyms>.
MLASmart Define. "lethiferous thesaurus" 19 May 2013. Web. 27 September 2026. <https://smartdefine.org/lethiferous/thesaurus/synonyms>