Antonyms
Synonyms
Etymology

1. rational

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

Etymology

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

2. rational

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

Synonyms

Etymology

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

3. rational

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

Etymology

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

4. rational

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

Synonyms

Etymology

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