adverb
unmovably
“Los temas postulantes tienen que enviarse hasta el sábado 21 de enero, a las 18:00, impostergablemente.”
Etymology tree Spanish impostergable Proto-Indo-European *men- Proto-Indo-European *-tis Proto-Indo-European *méntis Proto-Italic *mentis Latin mēns Old Spanish -mente Spanish -mente Spanish impostergablemente From impostergable + -mente.