Illegitimate and Unreasonable

Illegitimate

Illegitimate adjective - Not using or following good reasoning.
Usage example: made several illegitimate inferences

Unreasonable and illegitimate are semantically related In some cases you can use "Unreasonable" instead an adjective "Illegitimate".

Nearby Words: illegitimacy, illegitimately

Unreasonable

Unreasonable adjective - Not using or following good reasoning.
Usage example: an unreasonable respect for a man who did not deserve it

Illegitimate and unreasonable are semantically related in extravagant topic. Sometimes you can use "Illegitimate" instead an adjective "Unreasonable".

Cite this Source
Unreasonable and Illegitimate. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/illegitimate/unreasonable
Illegitimate & Unreasonable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/illegitimate/unreasonable>.
Unreasonable or Illegitimate. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/illegitimate/unreasonable.
Google Ngram Viewer shows how "illegitimate" and "unreasonable" have occurred on timeline