- (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.
- 2001 — Eoin Colfer, Artemis Fowl, p 92-93
- Failing that, if contact was absolutely necessary, a series of thumb jabs to the nerve cluster at the base of the neck would be his chosen modus operandi—quiet as a whisper.
person or thing's method of operation
- modus operandi (method of operation)