Deductive and Illogical

Opposite meaning words

Deductive adjective - Being or provable by reasoning in which the conclusion follows necessarily from given information.

Usage example: using deductive reasoning we must conclude that since everyone eventually dies, sooner or later it's going to be our turn

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Illogical is an antonym for deductive in realistic topic.

Nearby Words: deduction, deduce, deduct, deducted, deductible

Illogical adjective - Not using or following good reasoning.

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Deductive is an antonym for illogical.

Nearby Word: illogicality

Cite this Source

Illogical and Deductive. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deductive/illogical

Deductive & Illogical. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deductive/illogical>.

Illogical or Deductive. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deductive/illogical.

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