- The definition of a modus operandi is a way of doing something.
An example of modus operandi is driving on the left side of the road in the US.
Origin of modus operandiClassical Latin
nounpl. mo·di operandi Abbr. MO
- A method of operating or functioning.
- A person's manner of working.
Origin of modus operandiNew Latin modus operandī : Latin modus, mode + Latin operandī, genitive sing. gerund of operārī, to work.
(plural modi operandi)
- (colloquial) A person or thing's normal mode of operation.
- (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.
From Latin modus operandi, from modus (“manner, method”) and operandi (“of working”)
modus operandi - Legal Definition