English Meaning & Definitions
Based on or in accordance with reason or logic.
- “She tried to have a calm and rational discussion about the budget cuts.”
- “There must be a rational explanation for why the lights flickered.”
A rational number (in mathematics), or a rational being (philosophy).
- “Every integer can be expressed as a rational.”
- “Humans are often defined philosophically as rational animals.”
English Synonyms & Near Equivalents
English Antonyms & Opposites
Comprehensive Thesaurus Breakdown
Compare formal, informal, literary synonyms and register nuances for “rational”.
Derived from the Late Latin rationalis, from Latin ratio (meaning 'reckoning, calculation, reason'), stemming from the verb reri ('to calculate, think'). It entered Middle English in the 15th century initially relating to the faculty of reasoning.
Remember that being 'rational' means using your 'ratio'nal and logical thinking instead of acting purely on emotion.
Frequently Asked Questions About “rational”
1. What is the meaning of “rational” in English?
In English, rational (adjective) is defined as: “Based on or in accordance with reason or logic.”.
2. How do you use “rational” in a sentence?
“She tried to have a calm and rational discussion about the budget cuts.”
3. What are English synonyms of “rational”?
4. What is the etymology and word origin of “rational”?
Derived from the Late Latin rationalis, from Latin ratio (meaning 'reckoning, calculation, reason'), stemming from the verb reri ('to calculate, think'). It entered Middle English in the 15th century initially relating to the faculty of reasoning.
🇬🇧More English Words to English
View all English words →A measurement of time indicating an instantaneous occurrence or a state where no time has elapsed.
The base unit of time in the International System of Units (SI), equal to the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom.
A specific duration of time equal to one hour and forty-six minutes and twelve seconds.
The cardinal number equal to one thousand million (1,000,000,000), expressed in scientific notation as 10^9.