definitions

dys-

a combining form meaning “ill,” “bad,” used in the formation of compound words: dysfunction.

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English Affixes From A To Z: A One-Stop List Of Suffixes, Prefixes, and Combining FormsIn English, we love to make new words by adding all sorts of bits to the front and back of existing terms. These are called affixes, and they are added to the base or stem of a word. When attached to the end of word, the affix is called a suffix. And to the beginning? A prefix.
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Nearby words

dynode, dyophysite, dyophysitic, dyostyle, dyothelite, dys-, dysacousia, dysacusis, dysadaptation, dysanagnosia, dysaphia

Origin of dys-

< Greek; cognate with Old Norse tor-, German zer-, Sanskrit dus-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for dys-

dys-

prefix

diseased, abnormal, or faultydysentery; dyslexia
difficult or painfuldysuria
unfavourable or baddyslogistic

Word Origin for dys-

via Latin from Greek dus-
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 dys-

dys-

pref.

Abnormal:dysplasia.
Impaired:dysesthesia.
Difficult:dysphonia.
Bad:dyspepsia.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.