Skip to content

rational

/ˈɹæʃ(ə)nəl/noun, adjective3 syllables

Rational means: consistent with or based on or using reason.

Synonyms for rational15

noun, as in an integer or a fraction

rational number

adjective, as in consistent with or based on or using reason

coherent, logical, lucid, demythologized, demythologised, intelligent, reasoning, thinking, reasonable, sane, sensible

adjective, as in of or associated with or requiring the use of the mind

intellectual, noetic, mental

adjective, as in having its source in or being guided by the intellect (as distinguished from experience or emotion)

intellectual

Opposites of rational

irrational

What does rational mean?5

adjective

1

consistent with or based on or using reason“rational behavior”

2

of or associated with or requiring the use of the mind“intellectual problems”

3

having its source in or being guided by the intellect (as distinguished from experience or emotion)“a rational analysis”

4

capable of being expressed as a quotient of integers“rational numbers”

noun

1

an integer or a fraction

Definitions from the Open English WordNet, CC BY 4.0.

What rhymes with rational?5

three syllables

national

four syllables

irrationaltransnational
Show 40 near rhymes
managementcapitalcanadaanalysisactualanimalsafricananimalaccidentmaximumpracticesvaluablegraduatecabinetpracticallanguagesradicalhamiltoncasualadvocatemadisonaccidentsactivistactivistsdamagespassionatefabulousinhabitantsambulanceadequatecannabisgraduatespackagescompatibleadvocatesaggregatenationalsundergraduateinadequatealgebra

Rational in a sentence

  • From an objective viewpoint, his argument was far from rational.CK
  • I'm not a rational person, and neither is anyone else.mailohilohi
  • But if we were wholly rational, would we want children at all?unknown
  • No rational person, of whatever political persuasion, could possibly object to the program.unknown
  • Although the arguments were rational, he was not convinced.CM
  • Robinson is a practical, rational and brave man.unknown
  • But if we were completely rational, would we then still want children?Anon
  • He is a massive dimwit, inherently apathetic and incapable of rational thought.Objectivesea

Sentences from Tatoeba, CC BY 2.0 FR, credited to their authors.

Forms of rational

as a noun

plural
rationals