mala fide Syllabification: (ma·la fi·de)Pronunciation: /ˌmalə ˈfīdē, fīdə/Definition of mala fide adjective & adverb chiefly Law in bad faith; with intent to deceive: [as adjective]:a mala fide abuse of positionOrigin:Latin, ablative of mala fidesmala fide in other Oxford dictionaries Definition of mala fide in the British & World English dictionary