[dih-soh-shee-eyt, -see-]

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.

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

Contemporary Examples of dissociate

  • He could mimic printed text with alarming accuracy and dissociate the shapes and lines from their inherent meanings.

    The Daily Beast logo
    The Accidental Artist

    Rachel Wolff

    October 15, 2009

Historical Examples of dissociate

British Dictionary definitions for dissociate



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