Word.ws English Dictionary

rationall

rationall is the obsolete form of rational.

Meaning of rational

Adjective

rational (comparative more rational, superlative most rational)

  1. Capable of reasoning.
    • Man is a rational creature.
    1. Behaving according to some partial order of preferences.
  2. Logically sound; not self-contradictory or otherwise absurd.
    • His statements were quite rational.
  3. Healthy or balanced intellectually; exhibiting reasonableness.
    • rational conduct
  4. (not comparable) Of a number, capable of being expressed as the ratio of two integers.
    • ¾ is a rational number, but √2 is an irrational number.
  5. (not comparable) Of an algebraic expression in indeterminates, or more generally a function: capable of being expressed as the ratio of two polynomials.

See all 12 meanings of rational

Forms of rationall

comparativemore rationall
superlativemost rationall

Questions about rationall

What is rationall the obsolete form of?
Rationall is the obsolete form of rational.

Words near rationall in the dictionary

  1. rationalizer
  2. rationalizers
  3. rationalizes
  4. rationalizing
  5. rationalizings
  6. rationall
  7. rationally
  8. rationalness
  9. rationals
  10. rationalsphere
  11. ratione temporis

Source and license

Adapted from Wiktionary: rationall (page history and authors); rational (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “rationall.” Word.ws, https://word.ws/rationall. Based on Wiktionary, CC BY-SA 4.0.