rational (B1)

adjective

Pronunciation: /ˈræʃ.ən.əl/

Definition

Based on facts or reason rather than on feelings or emotion.

Examples

• The committee made a rational decision based on the available evidence.

• He tried to approach the problem from a more rational perspective.

• It's not rational to believe that ghosts are real.

How to Use rational

rational about (prepositional phrase)

To be logical and reasonable concerning a particular subject or situation. — "She is very rational about her finances."

rational basis (collocation)

A logical or reasonable foundation for something. — "The court found that there was a rational basis for the new law."

Synonyms of rational

Words with a similar meaning to rational:

• logical
• sensible
• reasoned
• sound

Antonyms of rational

Words with the opposite meaning to rational:

• emotional
• irrational
• unreasonable

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