Modus Operandi Definition

mōdəs ŏpə-răndē, -dī
A method of operating or functioning.
American Heritage
A way of doing or accomplishing something.
Webster's New World
A person's manner of working.
American Heritage
A method of operating.
Webster's New World Law

(law enforcement) A known criminal's established habits and mode of work when committing specific offences, especially fraud, matched with characteristics of an unsolved crime to narrow down (limit to a specific list) or profile suspects.


Other Word Forms of Modus Operandi


modus operandi
modi-operandi, modus operandis

Origin of Modus Operandi

  • New Latin modus operandī Latin modus mode Latin operandī genitive sing. gerund of operārī to work

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin modus operandi, from modus (“manner, method") and operandi (“of working")

    From Wiktionary

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modus operandi