English Meaning & Definitions
The quality of being based on or in accordance with reason or logic.
- “The committee questioned the rationality of investing more money in a failing project.”
- “Mathematical models assume a certain degree of human rationality.”
English Synonyms & Near Equivalents
English Antonyms & Opposites
Comprehensive Thesaurus Breakdown
Compare formal, informal, literary synonyms and register nuances for “rationality”.
Derived from the Latin 'rationalis' (belonging to reason, reasonable), from 'ratio' (reckoning, calculation, reason). The suffix '-ity' forms nouns expressing state or condition, entering Middle English and becoming fully established in philosophical and scientific discourse during the Enlightenment.
Think of 'ratio': rationality is the quality of making decisions based on proper ratios, logic, and calculation rather than pure emotion.
Frequently Asked Questions About “rationality”
1. What is the meaning of “rationality” in English?
In English, rationality (noun) is defined as: “The quality of being based on or in accordance with reason or logic.”.
2. How do you use “rationality” in a sentence?
“The committee questioned the rationality of investing more money in a failing project.”
3. What are English synonyms of “rationality”?
4. What is the etymology and word origin of “rationality”?
Derived from the Latin 'rationalis' (belonging to reason, reasonable), from 'ratio' (reckoning, calculation, reason). The suffix '-ity' forms nouns expressing state or condition, entering Middle English and becoming fully established in philosophical and scientific discourse during the Enlightenment.
🇬🇧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.