rational Meaning in Cambridge Learner Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of "rational" - Learner English Dictionary

See all translations

rational

adjective
 
 
/ˈræʃənəl/
BASED ON FACTS based on facts and not affected by someone's emotions or imagination: a rational argument/debate/explanation Logic and reason
WITHOUT EMOTION able to make decisions based on facts and not be influenced by your emotions or imagination: Look, we've got to try to be rational about this. →  Opposite irrational Logic and reason
rationally adverb
(Definition of rational from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “rational” in other dictionaries

Word of the Day
hurdle

a frame or fence for jumping over in a race

Word of the Day

When’s dinner? (Words for different meals)
When’s dinner? (Words for different meals)
by Kate Woodford,
July 22, 2015
Here at ‘About Words’ we’re always happy to get ideas for posts that we could write. A reader of this blog recently asked for a post on the language of meals and we thought this an excellent idea. If you are reading this post and have an idea for a topic or

Read More 

exoskeleton noun
exoskeleton noun
July 27, 2015
a robotic device which goes around the legs and part of the body of a person who cannot walk and allows them to move independently and in an upright position The device, known as an exoskeleton, is strapped to the outside of a person’s limbs and can then be controlled by them.

Read More