- The definition of a malefactor is a criminal or someone who does bad things.
An example of a malefactor is a bank robber.
A pair of malefactors.Licensed from iStockPhoto
Origin: L from past participle of malefacere from male, evil (see mal-) plush facere, to do
Used by arrangement with John Wiley & Sons, Inc.
- One that has committed a crime; a criminal.
- An evildoer.
Origin: Middle English malefactour, from Latin malefactor, from malefacere, to do wrong : male, ill; see mel-3 in Indo-European roots + facere, to do; see dhē- in Indo-European roots.
- malˌe·facˈtion noun