Deep and Rational

Deep

Deep adjective - Extending far downward.

Rational and deep are semantically related. In some cases you can use "Rational" instead an adjective "Deep".

Rational

Rational adjective - Having the ability to reason.

Deep and rational are semantically related. Sometimes you can use "Deep" instead an adjective "Rational".

Both words in one sentence

  • Film / Downfall This is largely because their remaining capacity for rational thought and human emotion stands in stark contrast to how far off the deep end Hitler went.
Cite this Source
Rational and Deep. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deep/rational
Deep & Rational. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deep/rational>.
Rational or Deep. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deep/rational.
Google Ngram Viewer shows how "deep" and "rational" have occurred on timeline