Definition of mala fide in English:
 mala fide
adjective & adverb ˌmalə ˈfiːdeɪˌmeɪlə ˈfʌɪdiː
Law In bad faith; with intent to deceive.
as adjective a mala fide abuse of position
 Example sentencesExamples
-  I have piled up the few chapters I can remember all around me and I am taking them apart a letter at a time, stripping them of intentions both mala fide and bona fide.
 -  Often, they are bona fide, but they can be mala fide too, more often than what you would want to admit.
 -  These accusations are as ridiculous as they are mala fide.
 -  We need to sift the grain from the chaff and check out whether the allegations of abuse are genuine, exaggerated or altogether mala fide.
 -  The petition lacked in material particulars to indicate such mala fide conduct on the part of the respondent.
 
Origin
  
Latin, ablative of mala fides.
Rhymes
  
bona fide, Heidi, tidy, vide