[moh-duh s op-uh-ran-dee, -dahy; Latinmoh-doos oh-pe-rahn-dee]
See more synonyms on Thesaurus.comnoun,pluralmo·di op·e·ran·di[moh-dee op-uh-ran-dee, moh-dahy op-uh-ran-dahy; Latinmoh-dee oh-pe-rahn-dee]/ˈmoʊ di ˌɒp əˈræn di, ˈmoʊ daɪ ˌɒp əˈræn daɪ; Latin ˈmoʊ di ˌoʊ pɛˈrɑn di/.
mode of operating or working.
Origin of modus operandi
First recorded in 1645–55,modus operandi is from the Latin word modus operandī
The way someone does something; a characteristic method: “Her modus operandi in buying a new car always included a month of research.” This phrase, often abbreviated “m.o.,” is used by police to describe a criminal's characteristic way of committing a crime. From Latin, meaning “method of operation.”