Deductive and Unreasonable
Opposite meaning words
Deductive
Deductive adjective - Being or provable by reasoning in which the conclusion follows necessarily from given information.
Unreasonable
Unreasonable adjective - Having no basis in reason or fact.
Deductive is an antonym for unreasonable.
Cite this Source
Unreasonable and Deductive. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/deductive/unreasonable
Deductive & Unreasonable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/deductive/unreasonable>.
Unreasonable or Deductive. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/deductive/unreasonable.
Google Ngram Viewer shows how "deductive" and "unreasonable" have occurred on timeline