definitions

antithetical

[ an-tuh-thet-i-kuh l ]
/ ˌæn təˈθɛt ɪ kəl /
SEE MORE SYNONYMS FOR antithetical ON THESAURUS.COM

adjective

of the nature of or involving antithesis.
directly opposed or contrasted; opposite.

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RELATED WORDS

conflicting, inappropriate, unsuitable, incongruous, irreconcilable, inconsistent, unsuited, antithetical, reversed, antagonistic, adverse, contradictory, differing, paradoxical, inimical, hostile, opposing, averse, disputed, anti

Nearby words

antiterrorist, antitheft, antithenar, antithermic, antithesis, antithetical, antithrombin, antithrombotic, antitorque rotor, antitoxic, antitoxin
Also Archaic, an·ti·thet·ic.

Origin of antithetical

1575–85; antithetic (< Greek antithetikós, equivalent to anti(ti)thé(nai) to set in opposition + -tikos -tic) + -al1

Related forms

an·ti·thet·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for anti-thetical

antithetical

antithetic

/ (ˌæntɪˈθɛtɪkəl) /

adjective

of the nature of antithesis
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