C1adjective2K

UK/["/ˈræʃnəl/"]/US/["/ˈræʃnəl/"]/

Meaning of Rational

based on reason rather than emotions

In simple words: Based on reason and logic.

Rational in a sentence

  • She gave a rational explanation for her decision.
  • Humans are rational beings capable of complex thought.
  • The committee tried to reach a rational compromise between the two parties.
  • It is not rational to spend more money than you earn.
  • In mathematics, a rational number can be expressed as a fraction.
  • Rational expressions involve ratios of polynomials.
  • A rational choice model assumes decision-makers act logically to maximize benefit.

How to use Rational

Use 'rational' when describing thoughts or actions based on logic rather than emotions. It is appropriate in both formal and casual contexts, but may sound too technical in a relaxed conversation.

Grammar pattern

standalone adjective

Memory hint

Think 'rat' in a maze using logic to find the cheese — that's 'rational.'

Related words

Synonyms for Rational

Opposites of Rational

  • irrational
  • illogical
  • unreasonable

Common mistakes with Rational

  • 'Rational' is often confused with 'rationale', which means the reason for something.
  • Some learners might use 'rational' to refer to emotions instead of logic.
  • Incorrectly saying 'more rational' when 'more rational than' is needed for comparison.

Rational appears in

Rational in other languages

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Frequently asked questions about Rational

What does Rational mean?

Based on reason and logic.

What is the definition of Rational?

based on reason rather than emotions

How do you use Rational in a sentence?

She gave a rational explanation for her decision.

Can you give another example of Rational?

Humans are rational beings capable of complex thought.

What are synonyms for Rational?

Common alternatives include reasonable.

What is the opposite of Rational?

Opposite meanings include irrational, illogical, unreasonable.

What words go with Rational?

It commonly pairs with be, seem, highly, very, completely, about, be, seem, highly, very, completely, about.

What are common mistakes when using Rational?

'Rational' is often confused with 'rationale', which means the reason for something. Some learners might use 'rational' to refer to emotions instead of logic. Incorrectly saying 'more rational' when 'more rational than' is needed for comparison.

How do you pronounce Rational?

US: /["/ˈræʃnəl/"]/, UK: /["/ˈræʃnəl/"]/. Listen to the audio above to hear native pronunciation.

When should I use Rational?

Use 'rational' when describing thoughts or actions based on logic rather than emotions. It is appropriate in both formal and casual contexts, but may sound too technical in a relaxed conversation.

What CEFR level is Rational?

"Rational" is at C1 level on the CEFR scale.