ardornounmasculine/ɐɾˈdoɾ/mediumar·dorPortuguesEnglishEspanolFrancaisDefinitionGreat enthusiasm, passion, or zeal.She spoke about her project with great ardor.The ardor of the fans never faded.synpassionfervorzealantapathyindifferencecoolnessCommon collocationspatriotic ardoryouthful ardorwith ardorEtymologyDo latim 'ardor, -ōris' (calor, fogo, paixão).Related wordsardentearderardorosamenteardoroso