ENGLISH DICTIONARY

Rational

Definition, Meaning & Examples

Pronunciation /ˈɹæʃ(ə)nəl/ · Part of speech adjective

Quick meaning: Rational is an adjective meaning Capable of reasoning.

Meaning

Capable of reasoning.

More Meanings

  1. Logically sound; not self-contradictory or otherwise absurd.
  2. (of a person or personal characteristics) Healthy or balanced intellectually; exhibiting reasonableness.
  3. (mathematics, not comparable) Comprising, or expressible as, a ratio
  4. (chemistry, obsolete) synonymous replacement for "condensed" in condensed formula.
  5. (mathematics) A rational number: a number that can be expressed as the quotient of two integers.
  6. (historical) The breastplate worn by Israelite high priests.

Example Sentences

rational conduct
Man is a rational creature.
His statements were quite rational.
The quotient of two rationals is again a rational.

Word Forms

Synonyms for rational

Depending on context, synonyms include intelligent, mental, reasonable, intellectual, coherent, logical.

Antonyms for rational

Common opposites include absurd, irrational, nonsensical, arbitrary, arational, non-rational.

Related Words

Related dictionary entries include reasonable, sane, logical, reasoning, intellectual, thinking.

Related Dictionary Tools

Sources & Attribution

FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0

Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.