modus operandi [ moh-d uh s op- uh- ran-dee, -dahy; Latin moh-doos oh-pe- -dee] rahn Word Origin See more synonyms on Thesaurus.com 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- -dee] rahn /ˈmoʊ di ˌɒp əˈræn di, ˈmoʊ daɪ ˌɒp əˈræn daɪ; ˈmoʊ di ˌoʊ pɛˈrɑn di/ Latin mode of operating or working. Origin of modus operandi
First recorded in
1645–55, modus operandi is from the Latin word modus operandī
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for modus operandi noun plural modi operandi ( ˈməʊdiː ˌɒpəˈrændiː, ˈməʊdaɪ ˌɒpəˈrændaɪ) procedure; method of operating Word Origin
C17: from Latin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for modus operandi n.
"way of doing or accomplishing," 1650s, Latin, literally "mode of operating" (see
modus). Abbreviation m.o. is attested from 1955.
Online Etymology Dictionary, © 2010 Douglas Harper
modus operandi in Culture 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.”
The New Dictionary of Cultural Literacy, Third Edition
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