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rational

ra·tion·al
R r

Transcription

    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [rash-uh-nl, rash-nl]
    • /ˈræʃ ə nl, ˈræʃ nl/
    • /ˈræʃ.ən.əl/
    • US Pronunciation
    • US IPA
    • [rash-uh-nl, rash-nl]
    • /ˈræʃ ə nl, ˈræʃ nl/

Definitions of rational word

  • adjective rational agreeable to reason; reasonable; sensible: a rational plan for economic development. 1
  • adjective rational having or exercising reason, sound judgment, or good sense: a calm and rational negotiator. 1
  • adjective rational being in or characterized by full possession of one's reason; sane; lucid: The patient appeared perfectly rational. 1
  • adjective rational endowed with the faculty of reason: rational beings. 1
  • adjective rational of, relating to, or constituting reasoning powers: the rational faculty. 1
  • adjective rational proceeding or derived from reason or based on reasoning: a rational explanation. 1

Information block about the term

Origin of rational

First appearance:

before 1350
One of the 20% oldest English words
1350-1400; Middle English racional < Latin ratiōnālis, equivalent to ratiōn- (stem of ratiō) reason + -ālis -al1

Historical Comparancy

Parts of speech for Rational

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation

rational popularity

A common word. It’s meaning is known to most children of preschool age. About 95% of English native speakers know the meaning and use the word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

rational usage trend in Literature

This diagram is provided by Google Ngram Viewer

Synonyms for rational

adj rational

  • levelheaded — having common sense and sound judgment; sensible.
  • sensible — having, using, or showing good sense or sound judgment: a sensible young woman.
  • wise — having the power of discerning and judging properly as to what is true or right; possessing discernment, judgment, or discretion.
  • normal — conforming to the standard or the common type; usual; not abnormal; regular; natural.
  • impartial — not partial or biased; fair; just: an impartial judge.

Antonyms for rational

adj rational

  • senseless — destitute or deprived of sensation; unconscious.
  • unwise — not wise; foolish; imprudent; lacking in good sense or judgment: an unwise choice; an unwise man.
  • foolish — resulting from or showing a lack of sense; ill-considered; unwise: a foolish action, a foolish speech.
  • stupid — lacking ordinary quickness and keenness of mind; dull.
  • unintelligent — deficient in intelligence; dull; stupid.

Top questions with rational

  • what is a rational number?
  • what is a rational numbers?
  • what are rational numbers?
  • what are rational number?
  • what does rational mean?
  • what a rational number?
  • how to simplify rational expressions?
  • how to solve rational equations?
  • what is rational numbers?
  • what is rational number?
  • how to graph rational functions?
  • what is a rational function?
  • how to find the x intercept of a rational function?
  • how to find the lcd of rational expressions?
  • how to find zeros of a rational function?

See also

Matching words

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