modus operandi

[ moh-duh s op-uh-ran-dee, -dahy; Latin moh-doos oh-pe-rahn-dee ]
/ ˈmoʊ dəs ˌɒp əˈræn di, -daɪ; Latin ˈmoʊ dus ˌoʊ pɛˈrɑn di /

noun, plural mo·di op·e·ran·di [moh-dee op-uh-ran-dee, moh-dahy op-uh-ran-dahy; Latin moh-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

British Dictionary definitions for modus operandi

modus operandi
/ (ˈməʊdəs ˌɒpəˈrændiː, -ˈrændaɪ) /

noun plural modi operandi (ˈməʊdiː ˌɒpəˈrændiː, ˈməʊdaɪ ˌɒpəˈrændaɪ)

procedure; method of operating

Word Origin for modus operandi

C17: from Latin

Cultural definitions for modus operandi

modus operandi
[ (moh-duhs op-uh-ran-dee, op-uh-ran-deye) ]

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.”