1. a combining form meaning “bad,” occurring in loanwords from Greek (cacodemon); on this model, used in the formation of compound words (cacogenics).
Also especially before a vowel, cac-.

Origin of caco-

< Greek, combining form of kakós Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for caco

Historical Examples of caco

  • Among its exports are sugar, coffee, caco, tobacco and fruit.

  • Caballerito, doy a usted las gracias por haberme advertido los 6666 ruines propsitos de esos palurdos ms malos que Caco.

    Doa Perfecta

    Benito Prez Galds

  • Although it is found growing wild, caco is cultivated to a limited extent, and the product is insufficient for home consumption.

  • It is this kind of fighting which the marines and gendarmes have to continually do in combatting the caco trouble.


    J. Dryden Kuser

  • I have mentioned a caco attempt to raid Port-au-Prince just before our arrival, in which some of the bandits reached town.


    J. Dryden Kuser

British Dictionary definitions for caco


combining form
  1. bad, unpleasant, or incorrectcacophony

Word Origin for caco-

from Greek kakos bad
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 caco


before vowels cac-, word-forming element meaning "bad, ill, poor" (e.g. cacography, the opposite of calligraphy), from Latinized form of Greek kako- a hard-working prefix in ancient Greek, from kakos "bad, evil," considered by etymologists probably to be connected with PIE *kakka- "to defecate" (see caca).

Online Etymology Dictionary, © 2010 Douglas Harper

caco in Medicine


  1. Bad:cacogeusia.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.