Deductive and Irrational

Deductive

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

Irrational is an antonym for deductive in realistic topic.

Irrational

Irrational adjective - Not using or following good reasoning.

Deductive is an antonym for irrational.

Nearby Words: irrationality, irrationally
Cite this Source
Irrational and Deductive. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deductive/irrational
Deductive & Irrational. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deductive/irrational>.
Irrational or Deductive. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deductive/irrational.
Google Ngram Viewer shows how "deductive" and "irrational" have occurred on timeline