HinKhoj Dictionary

The prefix mal- is usually added to change the meaning to negative and refers to bad, unpleasant or unsuccessful things.
Words Based on the Mal Root Word
Mala fide: दुर्भावनापूर्ण (Doing something in bad faith, in an attempt to deceive someone)
Maladjusted: अव्यवस्थित (A bad ability to adjust to a social environment)
Malign: हानिकारक (Evil-natured)
Malady: Bad disease
Malcontent: असंतुष्ट (One who is dissatisfied and wants to change a bad for him situation)
Malediction: शाप (Curse words uttered to cause evil)
Malefactor: अपराधी (One who committed a crime or did a bad thing)
Malformed: विकृत (Badly formed (bodies))
Malice: दुर्भावना (Desire to inflict harm or evil on others)
Malignant: घातक (Evil-natured, bad for health)