Also found in: Thesaurus, Medical, Acronyms, Encyclopedia.
Related to dis-: dictionary


(word root) apart
Examples of words with the root dis-: dislocate, disbar
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree


1. Not: dissimilar.
a. Absence of: disinterest.
b. Opposite of: disfavor.
3. Undo; do the opposite of: disarrange.
a. Deprive of: disfranchise.
b. Remove: disbud.
5. Free from: disintoxicate.
6. Used as an intensive: disannul.

[Middle English, from Old French des-, from Latin dis-, apart, asunder.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. indicating reversal: disconnect; disembark.
2. indicating negation, lack, or deprivation: dissimilar; distrust; disgrace.
3. indicating removal or release: disembowel; disburden.
4. expressing intensive force: dissever.
[from Latin dis- apart; in some cases, via Old French des-. In compound words of Latin origin, dis- becomes dif- before f and di- before some consonants]


combining form
variant of di-1: dissyllable.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


v. dissed, dis•sing,
n. Slang. v.t.
1. to show disrespect for.
2. to belittle.
3. disparagement; criticism.
[1980–85, Amer.; from dis-1 extracted from such words as disrespect and disparage]



the ruler of the underworld in ancient Roman belief.


a prefix occurring orig. in loanwords from Latin with the meanings “apart, asunder” (disperse; dissociate; dissolve ); now frequent in French loanwords and English coinages having a privative, negative, or reversing force relative to the base noun, verb, or adjective: disability; disarm; disconnect; dishearten; dishonest; dislike; disobey.
Compare di-2, dif-.
[< Latin (akin to bis, Greek dís twice); often replacing des- < Old French]


var. of di- 1 before s: dissyllable.


the Disney Channel (a cable television channel).
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in classic literature ?
Half an hour later he was disappear- ing behind the Douglas mansion on the summit of Cardiff Hill, and the school-house was hardly dis- tinguishable away off in the valley behind him.
Tom flung off his jacket and trousers, turned a suspender into a belt, raked away some brush behind the rotten log, dis- closing a rude bow and arrow, a lath sword and a tin trumpet, and in a moment had seized these things and bounded away, barelegged, with fluttering shirt.
So I was pleased when I saw in the dis- tance a horseman making the bottom turn of the road that wound down from this castle.