Synonyms
Antonyms
Etymology

1. rational

adjective. ['ˈræʃənəl, ˈræʃnəl'] consistent with or based on or using reason.

Synonyms

  • demythologized
  • logical
  • intelligent
  • sane
  • sensible
  • demythologised
  • coherent
  • thinking
  • lucid
  • reasoning

Antonyms

  • irrational
  • insane
  • unreasonable
  • synthetic

Etymology

  • rational (Old French (842-ca. 1400))
  • rationale (Latin)
  • rationel (Old French (842-ca. 1400))

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Rhymes with Rational

  • national

How do you pronounce rational?

Pronounce rational as ˈræʃənəl.

US - How to pronounce rational in American English

UK - How to pronounce rational in British English

Sentences with rational


1. Adjective
Any number that can be written as a fraction or a ratio is a rational number.

Quotes about rational


1. The rules of friendship are tacit, unconscious; they are not rational. In business, though, you have to think rationally.
- Steven Pinker

2. I hate to hear you talk about all women as if they were fine ladies instead of rational creatures. None of us want to be in calm waters all our lives.
- Jane Austen, Persuasion

3. Architecture is not an inspirational business, it's a rational procedure to do sensible and hopefully beautiful things; that's all.
- Harry Seidler

2. rational

adjective. ['ˈræʃənəl, ˈræʃnəl'] of or associated with or requiring the use of the mind.

Synonyms

  • intellectual
  • noetic

Antonyms

  • invalid
  • immoderate
  • illogicality

Etymology

  • rational (Old French (842-ca. 1400))
  • rationale (Latin)
  • rationel (Old French (842-ca. 1400))

3. rational

adjective. ['ˈræʃənəl, ˈræʃnəl'] having its source in or being guided by the intellect (as distinguished from experience or emotion).

Antonyms

  • unfair

Etymology

  • rational (Old French (842-ca. 1400))
  • rationale (Latin)
  • rationel (Old French (842-ca. 1400))

4. rational

noun. ['ˈræʃənəl, ˈræʃnəl'] an integer or a fraction.

Synonyms

  • rational number
  • real
  • fraction

Antonyms

  • analytic
  • incoherent
  • stupid
  • stupidity

Etymology

  • rational (Old French (842-ca. 1400))
  • rationale (Latin)
  • rationel (Old French (842-ca. 1400))
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