rational

The word “rational” has 3 syllables: ra-tion-al

It's pronounced as /ˈræʃənəl/

What is synonym and antonym for rational?

In the thesaurus, “rational” has 9 synonyms and 21 antonyms.

Here are synonyms and antonyms for rational along with examples of usage in sentences.

Synonyms for rational

coherent
intelligent
logical
reasonable
reasoned
reasoning
sensible
thinking
valid

Antonyms for rational

groundless
illegitimate
illogical
incoherent
inconsequential
invalid
irrational
misleading
nonrational
nonsensical
sophistical
specious
unfounded
uninformed
unintelligent
unjustified
unreasonable
unreasoning
unsound
unthinking
weak

Meanings of rational

noun
1. A rational number: a number that can be expressed as the quotient of two integers.
2. The breastplate worn by Israelite high priests.
adjective
1. Capable of reasoning.
2. Logically sound; not contradictory or otherwise absurd.
3. (of a person or personal characteristics) Healthy or balanced intellectually; exhibiting reasonableness.
4. Of a number, capable of being expressed as the ratio of two integers.
5. Of an algebraic expression, capable of being expressed as the ratio of two polynomials.
6. Expressing the type, structure, relations, and reactions of a compound; graphic; said of formulae.
7. Expressing a physical object.

Example Sentences

It’s important to make rational decisions when dealing with finances.
She offered a rational explanation for the unexpected delay.
His rational approach helped resolve the conflict quickly.
The debate required a rational analysis of the data presented.
It’s difficult to think rational thoughts when you’re feeling emotional.

On this page you'll find 30 synonyms, antonyms, or another words to rational, such as: coherent, groundless, illegitimate, illogical, incoherent, inconsequential, intelligent.

Make sure to choose synonyms and antonyms that are appropriate for the context of the sentence.