[ dih-soh-shee-eyt, -see- ]
/ dɪˈsoʊ ʃiˌeɪt, -si- /

verb (used with object), dis·so·ci·at·ed, dis·so·ci·at·ing.

to sever the association of (oneself); separate: He tried to dissociate himself from the bigotry in his past.
to subject to dissociation.

verb (used without object), dis·so·ci·at·ed, dis·so·ci·at·ing.

to withdraw from association.
to undergo dissociation.

Nearby words

  1. dissipation,
  2. dissipation trail,
  3. dissipative system,
  4. dissociable,
  5. dissocial,
  6. dissociated anesthesia,
  7. dissociated nystagmus,
  8. dissociation,
  9. dissociation sensibility,
  10. dissociative anesthesia

Origin of dissociate

1605–15; dis-1 + (as)sociate, modeled on Latin dissociātus, past participle of dissociāre to divide, sever

Related formsdis·so·ci·a·tive, adjective

Can be confuseddisassociate dissociate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for dissociate

British Dictionary definitions for dissociate


/ (dɪˈsəʊʃɪˌeɪt, -sɪ-) /


to break or cause to break the association between (people, organizations, etc)
(tr) to regard or treat as separate or unconnected
to undergo or subject to dissociation
Derived Formsdissociative, 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

Word Origin and History for dissociate



1610s (implied in dissociated), from Latin dissociatus, past participle of dissociare "to separate from companionship, disunite, set at variance," from dis- "apart" (see dis-) + sociare "to join," from socius "companion" (see social (adj.)). Attested from 1540s as a past participle adjective meaning "separated."

Online Etymology Dictionary, © 2010 Douglas Harper