rational

1 of 2

adjective

ra·tio·nal ˈrash-nəl How to pronounce rational (audio)

ˈra-shə-nᵊl

: having reason or understanding

: relating to, based on, or agreeable to reason : reasonable

a rational explanation

rational behavior

: involving only multiplication, division, addition, and subtraction and only a finite number of times

: relating to, consisting of, or being one or more rational numbers

a rational root of an equation

rationally adverb

rationalness noun

rational

2 of 2

noun

: something rational

specifically : rational number

Example Sentences

Adjective human beings are rational creatures insisted there was a rational explanation for the strange creaking noises and that there were no such things as ghosts

Recent Examples on the Web

Adjective

Chris: There was a time element, which is totally rational, in the sense of a live TV show.

Jem Aswad, Variety, 8 Sep. 2022 Given the circumstances, that was perfectly rational.

Chris Morris, Fortune, 7 Sep. 2022 Looking at the frequency of major cyberattacks over the last decade, this skepticism is perfectly rational.

Howard Taylor, Forbes, 6 July 2022 Leave it to Whittingham to be rational about a big-picture topic that has engulfed much of the fan base since the Rose Bowl.

Josh Newman, The Salt Lake Tribune, 21 Mar. 2022 At low income levels, worrying about money can be perfectly rational.

Arthur C. Brooks, The Atlantic, 9 Dec. 2021 The inverse relationship between quantity demanded and price is the core proposition in economic science, which embodies the presupposition that human choice behavior is sufficiently rational to allow predictions to be made.

Timothy Noah, The New Republic, 14 Oct. 2021 While society often judges young adults harshly for making decisions like these and delaying some of the responsibilities of adulthood, these are rational responses to economic instability.

Alexis Redding, The Atlantic, 31 Aug. 2022 Halard’s skills were tested both by the challenges of creating a rational sequence of beautiful rooms and outbuildings, and by the local planning committees.

Hamish Bowles, Vogue, 30 Aug. 2022

Noun

Empirical inquiry—often considered strictly a province of the rational—can also be fueled by fervent belief.

Faith Hill, The Atlantic, 6 May 2022 But other states and cities are taking their positive revenues as a rational for deep tax cuts.

Richard Mcgahey, Forbes, 14 Apr. 2022 The gas supply in 1974 was reported to have bottomed out at only about 20% below normal, but drivers acted about 50% below rational.

Los Angeles Times, 22 Mar. 2022 In the book, Starhawk defines magic as awakening deeper levels of consciousness beyond the rational.

WSJ, 8 Dec. 2021 Darkside is something entirely distinct, a surreal form of magic at war with the rational.

Washington Post, 23 July 2021 In her 2017 essay, Khan also pointed to platforms’ creating incentives for companies to favor growth over profits, which ostensibly makes predatory pricing rational.

Jessica Melugin, National Review, 22 June 2021 Advocates for race-conscious admissions accept the diversity rational as an article of faith.

Michael T. Nietzel, Forbes, 1 June 2021 Much of the rational of the calls to expand the court came from the fact that former President Donald Trump had appointed three justices, shifting the balance.

Peter Suciu, Forbes, 15 Apr. 2021 See More

单词	rational
释义	rational 1 of 2 adjective ra·tio·nal ˈrash-nəl ˈra-shə-nᵊl 1 a : having reason or understanding b : relating to, based on, or agreeable to reason : reasonable a rational explanation rational behavior 2 : involving only multiplication, division, addition, and subtraction and only a finite number of times 3 : relating to, consisting of, or being one or more rational numbers a rational root of an equation rationally adverb rationalness noun rational 2 of 2 noun : something rational specifically : rational number Synonyms Adjective intelligent reasonable reasoning thinking See all Synonyms & Antonyms Example Sentences Adjective human beings are rational creatures insisted there was a rational explanation for the strange creaking noises and that there were no such things as ghosts Recent Examples on the Web Adjective Chris: There was a time element, which is totally rational, in the sense of a live TV show. Jem Aswad, Variety, 8 Sep. 2022 Given the circumstances, that was perfectly rational. Chris Morris, Fortune, 7 Sep. 2022 Looking at the frequency of major cyberattacks over the last decade, this skepticism is perfectly rational. Howard Taylor, Forbes, 6 July 2022 Leave it to Whittingham to be rational about a big-picture topic that has engulfed much of the fan base since the Rose Bowl. Josh Newman, The Salt Lake Tribune, 21 Mar. 2022 At low income levels, worrying about money can be perfectly rational. Arthur C. Brooks, The Atlantic, 9 Dec. 2021 The inverse relationship between quantity demanded and price is the core proposition in economic science, which embodies the presupposition that human choice behavior is sufficiently rational to allow predictions to be made. Timothy Noah, The New Republic, 14 Oct. 2021 While society often judges young adults harshly for making decisions like these and delaying some of the responsibilities of adulthood, these are rational responses to economic instability. Alexis Redding, The Atlantic, 31 Aug. 2022 Halard’s skills were tested both by the challenges of creating a rational sequence of beautiful rooms and outbuildings, and by the local planning committees. Hamish Bowles, Vogue, 30 Aug. 2022 Noun Empirical inquiry—often considered strictly a province of the rational—can also be fueled by fervent belief. Faith Hill, The Atlantic, 6 May 2022 But other states and cities are taking their positive revenues as a rational for deep tax cuts. Richard Mcgahey, Forbes, 14 Apr. 2022 The gas supply in 1974 was reported to have bottomed out at only about 20% below normal, but drivers acted about 50% below rational. Los Angeles Times, 22 Mar. 2022 In the book, Starhawk defines magic as awakening deeper levels of consciousness beyond the rational. WSJ, 8 Dec. 2021 Darkside is something entirely distinct, a surreal form of magic at war with the rational. Washington Post, 23 July 2021 In her 2017 essay, Khan also pointed to platforms’ creating incentives for companies to favor growth over profits, which ostensibly makes predatory pricing rational. Jessica Melugin, National Review, 22 June 2021 Advocates for race-conscious admissions accept the diversity rational as an article of faith. Michael T. Nietzel, Forbes, 1 June 2021 Much of the rational of the calls to expand the court came from the fact that former President Donald Trump had appointed three justices, shifting the balance. Peter Suciu, Forbes, 15 Apr. 2021 See More Word History Etymology Adjective Middle English racional, from Anglo-French racionel, from Latin rationalis, from ration-, ratio First Known Use Adjective 14th century, in the meaning defined at sense 1a Noun 1601, in the meaning defined above Phrases Containing rational anti-rational rational number rational function sub-rational hyper-rational anti-rational rational number rational function sub-rational hyper-rational Kids Definition rational adjective ra·tio·nal ˈra-shə-nᵊl 1 : having the ability to reason Humans are rational creatures. 2 : based on or showing reason rational thinking a rational decision Medical Definition rational adjective ra·tio·nal ˈrash-nəl, -ən-ᵊl 1 a : having reason or understanding b : relating to, based on, or agreeable to reason a rational explanation rational behavior 2 : using medical treatments based on reason or general principles —used especially of an ancient school of physicians compare empirical sense 1a Legal Definition rational adjective ra·tio·nal ˈra-shə-nəl 1 : having reason or understanding 2 : relating to, based on, or guided by reason, principle, fairness, logic, a legitimate state interest, or a consideration of fact age distinctions are not subject to strict scrutiny, but they must have a rational relationship to a legitimate state interest In re J. M., 642 A.2d 1062 (1994) rational adjective 1 as in intelligent having the ability to reason human beings are rational creatures Synonyms & Similar Words Relevance intelligent reasoning reasonable thinking logical analytic mental practical intellectual sensible cognitive analytical sane cerebral brainy highbrow cognitional levelheaded highbrowed sober Antonyms & Near Antonyms irrational nonrational unreasonable unthinking unintelligent unreasoning stupid dense dumb slow mindless nonthinking fatuous illogical obtuse brainless dull doltish dopey nonsensical senseless thickheaded groundless dorky fallacious invalid dopy half-witted See More 2 as in logical according to the rules of logic insisted there was a rational explanation for the strange creaking noises and that there were no such things as ghosts Synonyms & Similar Words logical coherent reasonable valid sensible good analytic empirical sound analytical empiric justifiable well-grounded consequent well-founded cognitive syllogistic defensible sustainable a priori supportable tenable a posteriori defendable maintainable Antonyms & Near Antonyms irrational illogical unreasonable incoherent unsound weak sophistical illegitimate inconsequent inconsequential specious sophistic casuistical misleading invalid fallacious casuistic unscientific eristic stupid absurd unarticulated insane nonsensical mad crazy preposterous fatuous loony eristical nutty thoughtless witless simpleminded daffy harebrained cockeyed unconvincing senseless looney half-baked weak-minded half-witted uncompelling See More 3 as in reasonable based on sound reasoning or information betting all of your savings on the lottery is not a rational move Synonyms & Similar Words logical reasonable reasoned sensible valid good justified commonsense solid true informed hard sober plausible commonsensical levelheaded just firm credible real actual well-founded validated commonsensible convincing certain substantiated cogent sure certified verified confirmed corroborated colorable Antonyms & Near Antonyms irrational illogical unreasonable nonrational nonsensical unsound uninformed unfounded groundless unjustified invalid unwarranted unreasoned unsupported unsubstantiated weak implausible unconvincing flimsy misguided false nonvalid fallacious misled See More
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rational

adjective

noun

Synonyms

Example Sentences

Word History

Phrases Containing rational

Kids Definition

adjective

Medical Definition

adjective

Legal Definition

adjective

adjective