oseriös

== Swedish == === Etymology === o- +‎ seriös. Attested since 1956. === Adjective === oseriös (comparative oseriösare, superlative oseriösast) unserious, flippant dubious, unreliable ignorant, sloppy ==== Declension ==== === References === “oseriös”, in Svenska Akademiens ordlista [Wordlist of the Swedish Academy] (in Swedish) “oseriös”, in Svensk ordbok [Dictionary of Swedish] (in Swedish)