[koh-di-pen-duh nt]


of or relating to a relationship in which one person is physically or psychologically addicted, as to alcohol or gambling, and the other person is psychologically dependent on the first in an unhealthy way.


one who is codependent or in a codependent relationship.

Nearby words

  1. codeclination,
  2. coded,
  3. codefendant,
  4. codeia,
  5. codeine,
  6. coder,
  7. codetermination,
  8. codeword,
  9. codex,
  10. codex juris canonici

Origin of codependent

First recorded in 1985–90

Related formsco·de·pend·en·cy, co·de·pend·ence, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for co-dependency

British Dictionary definitions for co-dependency



psychol a state of mutual dependence between two people, esp when one partner relies emotionally on supporting and caring for the other partner
Derived Formsco-dependent, adjective, noun

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 co-dependency



also co-dependent, by 1905, in various senses, from co- + dependent. Modern psycological sense is attested from c.1983. Related: Codependence, codependency.

Online Etymology Dictionary, © 2010 Douglas Harper