Malfeasor

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A wrongdoer.

Synonyms

All synonyms
bad personcriminalcrookdeceiverdelinquentfelon

Etymology

From Middle English malfesour, from Anglo-Norman malfesour, from Old French mal (“evil”) + fes-, stem of fere (“do, make”), from Latin faciō (“I do”). Compare malefactor, borrowed directly from Latin.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.