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antithetical

American  
[an-tuh-thet-i-kuhl] / ˌæn təˈθɛt ɪ kəl /
Archaic, antithetic

adjective

  1. of the nature of or involving antithesis.

  2. directly opposed or contrasted; opposite.


antithetical British  
/ ˌæntɪˈθɛtɪkəl /

adjective

  1. of the nature of antithesis

  2. directly contrasted

"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

Other Word Forms

Etymology

Origin of antithetical

First recorded in 1575–85; from Greek antithetikós “setting in opposition, contrasting” (from antíthetos “opposed”) + -al; see origin at antithesis ( def. ), -tic ( def. ), -al 1 ( def. ).

Explanation

Something is antithetical when it is in complete and utter opposition to the character of something. If you’re a vegetarian, eating giant T-bone steaks is antithetical to your beliefs. You’ll find that antithetical is a useful word when you’re trying to express an extreme contrast. If someone is trying to convince you to do something you don’t believe in, or to allow an organization you’re involved with to adopt measures you are strongly against, you can use antithetical. You go out to vote because sitting out of the voting process is antithetical to what you believe in. If you find that your club wants to adopt exclusive measures when it is supposed to be open, you'll tell them that that's antithetical to the club's purpose.

Keep Reading on Vocabulary.com

Vocabulary lists containing antithetical

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Antithetical to theater in New York or London, the director, not the playwright, tends to be in charge of a production’s intention, and meaning.

From Washington Post • Jan. 6, 2023

Antithetical to the neighborhood today, the working classes pushed out the wealthy, knocking down mansions to build tenements, according to John B. Manbeck, a former Brooklyn borough historian.

From New York Times • Oct. 27, 2014

The "Character in the Antithetical Manner" was omitted from all editions of Wordsworth's poems between 1800 and 1836.

From The Works of Charles and Mary Lamb — Volume 5 The Letters of Charles and Mary Lamb, 1796-1820 by Lucas, E. V. (Edward Verrall)