Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “unclear”


adjective  /ʌnˈklɪər/ us  
not obvious or easy to see or know: [+ question word] It’s unclear what actually happened that night. A person who is unclear about something is not sure about it: I’m unclear about a couple of things he said on the phone.
adverb  /ʌnˈklɪr·li/ us  
(Definition of unclear from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of unclear?
Browse related topics

You are looking at an entry to do with Uncertainty, but you might be interested in these topics from the Chance and possibility topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “unclear” in other dictionaries

Word of the Day


a measure for liquid equal to about half a litre

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More