modus operandi [ moh-d uh s op- uh- ran-dee, -dahy; Latin moh-doos oh-pe- -dee] rahn Word Origin See more synonyms for modus operandi 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
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.