Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “unbelievable”

See all translations

unbelievable

adjective  /ˌʌn·bɪˈli·və·bəl/ us  

unbelievable adjective (SURPRISING)

[not gradable] extremely surprising: That little dog eats an unbelievable amount of food.

unbelievable adjective (UNLIKELY)

not able to be believed because unlikely: an unbelievable story/excuse unbelievable luck
unbelievably
adverb [not gradable]  /ˌʌn·bɪˈli·və·bli/ us  
It was unbelievably stupid of you to go.
(Definition of unbelievable from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of unbelievable?
Add Cambridge dictionaries to your browser to your website

Definitions of “unbelievable” in other dictionaries

Word of the Day

beginner's luck

unexpected success experienced by a person who is just starting a particular activity

Word of the Day

Think long and hard; the language of decisions

by Liz Walter,
January 28, 2015
One of the best ways (perhaps the best way) to improve your English is to learn how words go together in phrases, idioms, or other patterns such as verb/noun or adjective/noun pairs (often called ‘collocations’). This blog looks at some useful phrases and collocations connected with the subject of decisions, something we

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More