[ than-uh-tos, -tohs ]
/ ˈθæn əˌtɒs, -toʊs /


an ancient Greek personification of death.
Psychoanalysis. (usually lowercase) the death instinct, especially as expressed in violent aggression.

Related forms

Than·a·tot·ic [than-uh-tot-ik] /ˌθæn əˈtɒt ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for thanatos

British Dictionary definitions for thanatos


/ (ˈθænəˌtɒs) /


the Greek personification of death: son of Nyx, goddess of nightRoman counterpart: Mors
the name chosen by Freud to represent a universal death instinctCompare Eros (def. 2)

Derived Forms

Thanatotic (ˌθænəˈtɒtɪk), adjective
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

Medicine definitions for thanatos



death instinct
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.