curiouser adj. + Add to list US //ˈkjʊɹiəsɝ// cu·ri·ous·er Dialect Informal SynonymsAntonyms Synonyms curiousfunnyoddpeculiarqueerrumrummysingular Antonyms incurious Idioms1 entry01curiouser and curiouserUsed to describe or react to an increasingly mysterious or peculiar situation.