- not compatible; unable to exist together in harmony: She asked for a divorce because they were utterly incompatible.
- contrary or opposed in character; discordant: incompatible colors.
- that cannot coexist or be conjoined.
- (of two or more propositions) unable to be true simultaneously.
- (of two or more attributes of an object) unable to belong to the object simultaneously; inconsistent.
- (of positions, functions, ranks, etc.) unable to be held simultaneously by one person.
- Medicine/Medical. of or relating to biological substances that interfere with one another physiologically, as different types of blood in a transfusion.
- Pharmacology. of or relating to drugs that interfere with one another chemically or physiologically and therefore cannot be mixed or prescribed together.
- Usually incompatibles. incompatible persons or things.
- an incompatible drug or the like.
- incompatibles, Logic.
- two or more propositions that cannot be true simultaneously.
- two or more attributes that cannot simultaneously belong to the same object.
Origin of incompatible
SynonymsSee more synonyms for on Thesaurus.com
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Related Wordsconflicting, inappropriate, unsuitable, incongruous, irreconcilable, inconsistent, unsuited, uncongenial, adverse, antipathetic, antipodal, antithetical, clashing, contrary, counter, discordant, discrepant, disparate, factious, inadmissible
Examples from the Web for incompatible
Interesting that those who sat in judgment of him found those two sets of beliefs to be incompatible.In Defense of Blasphemy
January 9, 2015
But the site is incompatible with special screen reading software that would make it accessible to blind readers.TEDx Talks Have a Disability Problem—but This Incredible Young Woman Is Working to Change That
November 5, 2014
She was a New Woman: She demanded the vote but also a life in which being married and having a career were not incompatible.Wonder Woman’s Creation Story Is Wilder Than You Could Ever Imagine
November 3, 2014
Indeed, the idea that an elected official should act exactly as voters demand is incompatible with the way our government works.Voting for Slavery? Jim Wheeler Gets Into Hot Water
October 30, 2013
The statement also described the decision as “incompatible with the transition to democracy” in Egypt.Egypt Sentences American Workers to Jail Time
June 4, 2013
Might not the duties of some callings be incompatible with marriage?Weighed and Wanting
And be convinced, my son, that faith and reason are not incompatible.The Three Cities Trilogy, Complete
They have other incompatible qualities quite as important, no doubt.The Education of Eric Lane
The points of view are not merely not identical; they are incompatible.College Teaching
It is not incompatible but actually favourable to the pursuits of parliament.Nuts and Nutcrackers
Charles James Lever
- incapable of living or existing together in peace or harmony; conflicting or antagonistic
- opposed in nature or quality; inconsistent
- (of an office, position, etc) only able to be held by one person at a time
- med (esp of two drugs or two types of blood) incapable of being combined or used together; antagonistic
- logic (of two propositions) unable to be both true at the same time
- (of plants)
- not capable of forming successful grafts
- incapable of fertilizing each other
- maths another word for inconsistent (def. 4)
- (often plural) a person or thing that is incompatible with another
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 incompatible
Online Etymology Dictionary, © 2010 Douglas Harper
- Incapable of associating or blending or of being associated or blended because of disharmony, incongruity, or antagonism.
- Producing an undesirable effect when used in combination with a particular substance, as a medicine in combination with alcohol.
- Not suitable for combination or administration because of immunological differences, as blood types.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.