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noun, plural dis·ir [dee-sir] /ˈdi sɪr/. Scandinavian Mythology.
  1. lady; woman.
  2. female deity, especially one promoting fertility: often used as a suffix on names: Freydis; Hjordis; Thordis.
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Origin of dis1

< Old Norse dīs, plural dīsir; origin uncertain


verb (used with object), dissed, dis·sing.
  1. to show disrespect for; affront.
  2. to disparage; belittle.
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  1. insult or disparagement; criticism.
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Origin of dis2

1980–85, Americanism; from dis-1 extracted from such words as disrespect and disparage


noun Classical Mythology.
  1. a god of the underworld.
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Compare Pluto.
Also called Dis Pater.


  1. the Disney Channel: a cable television channel.
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noun Music.
  1. a tone in the ascending chromatic scale between do and re.
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Origin of di2

perhaps alteration of do2


  1. a female given name, form of Diana.
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  1. a Latin prefix meaning “apart,” “asunder,” “away,” “utterly,” or having a privative, negative, or reversing force (see de-, un-2); used freely, especially with these latter senses, as an English formative: disability; disaffirm; disbar; disbelief; discontent; dishearten; dislike; disown.
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Also di-.

Origin of dis-1

< Latin (akin to bis, Greek dís twice); before f, dif-; before some consonants, di-; often replacing obsolete des- < Old French


  1. variant of di-1 before s: dissyllable.
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dis aliter visum

[dees ah-li-ter wee-soo m; English dis al-i-ter vahy-suh m]
  1. the gods have deemed otherwise.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for dis


  1. a variant spelling of diss
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  1. Also called: Orcus, Pluto the Roman god of the underworld
  2. the abode of the dead; underworld
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Greek equivalent: Hades


the chemical symbol for
  1. didymium
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  1. indicating reversaldisconnect; disembark
  2. indicating negation, lack, or deprivationdissimilar; distrust; disgrace
  3. indicating removal or releasedisembowel; disburden
  4. expressing intensive forcedissever
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Word Origin

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
  1. variant of di- 1 dissyllable
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abbreviation for
  1. Defence Intelligence
  2. Detective Inspector
  3. Donor Insemination
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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 dis


also diss, slang, by 1980, shortening of disrespect or dismiss, originally in U.S. Black English, popularized by hip hop. Related: Dissed; dissing. Earlier it was short for disconnected in the telephone sense and used figuratively in slang to mean "weak in the head" (1925).

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Roman underworld god, from Latin Dis, contracted from dives "rich," which is related to divus "divine, god," hence "favored by god." Cf. Pluto and Old Church Slavonic bogatu "rich," from bogu "god."

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(assimilated as dif- before -f-, to di- before most voiced consonants), word-forming element meaning 1. "lack of, not" (e.g. dishonest); 2. "do the opposite of" (e.g. disallow); 3. "apart, away" (e.g. discard), from Old French des- or directly from Latin dis- "apart, in a different direction, between," figuratively "not, un-," also "exceedingly, utterly," from PIE *dis- "apart, asunder" (cf. Old English te-, Old Saxon ti-, Old High German ze-, German zer-).

The PIE root is a secondary form of *dwis- and thus is related to Latin bis "twice" (originally *dvis) and to duo, on notion of "two ways, in twain."

In classical Latin, dis- paralelled de- and had much the same meaning, but in Late Latin dis- came to be the favored form and this passed into Old French as des-, the form used for new compound words formed in Old French, where it increasingly had a privative sense ("not").

In English, many of these words eventually were altered back to dis-, while in French many have been altered back to de-. The usual confusion prevails.

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Online Etymology Dictionary, © 2010 Douglas Harper

dis in Medicine


  1. Not:disjugate.
  2. Absence of; opposite of:disorientation.
  3. Undo; do the opposite of:dislocate.
  4. Deprive of; remove:dismember.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.