Logical
Logical adjective - According to the rules of logic.
Usage example: the lawyer won the case with a logical argument about the motives of the suspect
Rational is a synonym for logical in reasoning topic. In some cases you can use "Rational" instead an adjective "Logical", when it comes to topics like sensible, reason, sane, reasonable. popular alternative
Rational
Rational adjective - Having the ability to reason.
Usage example: human beings are rational creatures
Logical is a synonym for rational in sensible topic. You can use "Logical" instead an adjective "Rational", if it concerns topics such as reason, sane, reasonable, penetrating. popular alternative
Mutual synonyms
Both words in one sentence
- It get's really jarring when you consider that Bones is very rarely rational or logical at all.
Source: Straw Vulcan -
In short, what you have here is one seriously messed-up man who is not as rational and logical as he thinks he is.
- For every so-called curse, there is a perfectly logical and rational explanation.
Source: Series / Mr & Mrs Murder
Cite this Source
Rational and Logical. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/logical/rational
Logical & Rational. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/logical/rational>.
Rational or Logical. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/logical/rational.
Google Ngram Viewer shows how "logical" and "rational" have occurred on timeline