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 (ăn′tĭ-thĕt′ĭ-kəl) also an·ti·thet·ic (-ĭk)
1. Being in diametrical opposition: a viewpoint that was antithetical to conventional wisdom. See Synonyms at opposite.
2. Of, relating to, or marked by antithesis.

[From Medieval Latin antitheticus, from Greek antithetikos, from antitithenai, to oppose; see antithesis.]

an′ti·thet′i·cal·ly adv.
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.


(ˌæntɪˈθɛtɪkəl) or


1. of the nature of antithesis
2. directly contrasted
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌæn təˈθɛt ɪ kəl)

also an`ti•thet′ic,

1. of the nature of or involving antithesis.
2. directly opposed or contrasted.
an`ti•thet′i•cal•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.antithetical - sharply contrasted in character or purpose; "practices entirely antithetical to her professed beliefs"; "hope is antithetic to despair"
different - unlike in nature or quality or form or degree; "took different approaches to the problem"; "came to a different conclusion"; "different parts of the country"; "on different sides of the issue"; "this meeting was different from the earlier one"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


adjective opposite, opposed, contrasted, contrasting, counter, reverse, contrary, contradictory, converse, inverse, poles apart, antipodal The oppressive use of power is antithetical to our ideals.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002


The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


[ˌæntɪˈθetɪkəl] ADJantitético
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005


[ˌæntɪˈθɛtɪkəl] adjantithétique
Collins English/French Electronic Resource. © HarperCollins Publishers 2005


[ˌæntɪθɛtɪkl] adjantitetico/a
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in classic literature ?
They are antithetical to one another, these roads; they directly abut on one another:--and it is here, at this gateway, that they come together.
But should one follow them further--and ever further and further on, thinkest thou, dwarf, that these roads would be eternally antithetical?"--
On the screen of his imagination he saw himself and this sweet and beautiful girl, facing each other and conversing in good English, in a room of books and paintings and tone and culture, and all illuminated by a bright light of steadfast brilliance; while ranged about and fading away to the remote edges of the screen were antithetical scenes, each scene a picture, and he the onlooker, free to look at will upon what he wished.
The company stressed that use of the productivity service to incite hatred and violence against groups of individuals is deemed antithetical to Slack.
The monarchs who described the activities and services of the BEDC in the state as antithetical to the purpose it was established and called on the Federal Government to consider a better option for good and efficient services.
For his part, the WHO chief lauded the health development and achievements witnessed by the Kingdom and discussed a number of issues, including comprehensive health care, the Kingdom's plan to combat contagious diseases, tuberculosis, and antithetical germs, vaccination security and safety as well as electronic health.
"When I set up the firm with my partners, I said I didn't want to do certain things, that I found them antithetical to my own beliefs," he said.
The complaint, which says the pipeline is "antithetical to the deeply held religious beliefs and convictions of the Adorers," utilizes the same freedom of religion law that the Little Sisters of the Poor have cited in their case against the contraceptive mandate in the Patient Protection and Affordable Care Act.
"But when you look at our guiding principles, you see that his guiding principles are in many ways antithetical to them and a great many of his policies are antithetical," Koch said.
Within the field of cognitive linguistics, Crespo-Fernandez explores the antithetical mechanisms of verbal mitigation and offense--the use of language as a shield and weapon--in discussions of sex in Internet forums.
The Anti-Defamation League and American Jewish Committee quickly condemned Trump's proposal as "unacceptable and antithetical to American values," and "abhorrent and wrong," respectively.