Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “reason”

See all translations

reason

noun
 
 
/ˈriːzən/
WHY [C] A2 the facts about why something happens or why someone does something: I knew Sam was going - that was the reason I went there. Is there any particular reason why he doesn't want to come? He left without giving a reason. That was the reason for telling her.Motives and reasonsReasons and explanations
RIGHT [C, U] B2 something that makes it right for you to do something: [+ to do sth] There is every reason to believe the project will be finished on time. I think we have reason to be concerned.Motives and reasons
ABILITY [U] the ability to think and make good decisions: By this time he'd lost his powers of reason.Mind and personalityScience of psychology and psychoanalysisLogic and reason
within reason If something is within reason, it is acceptable and possible: You can have as much as you like, within reason.Possible and probable
(Definition of reason noun from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “reason” in other dictionaries

Word of the Day

guru

a religious leader or teacher in the Hindu or Sikh religion

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

crossfit noun

March 23, 2015
high-intensity strength training Two women in strappy dresses discussed how much weight they could snatch

Read More