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Synonyms for Sure-fire proposition. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/synonyms/sure-fire_proposition
Synonyms for Sure-fire proposition. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/synonyms/sure-fire_proposition>.
Synonyms for Sure-fire proposition. 2016. Accessed July 28, 2026. https://thesaurus.plus/synonyms/sure-fire_proposition.