Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “supposedly”


adverb [not gradable]  /səˈpoʊ·zɪd·li/ us  
according to what someone told you, or according to what is believed by many people to be true: The tickets are supposedly in the mail. I’ve been down to the south of England where supposedly King Arthur’s castle was.
(Definition of supposedly from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of supposedly?
Browse related topics

You are looking at an entry to do with Seeming and purporting to be, but you might be interested in these topics from the Being and existing topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “supposedly” in other dictionaries

Translations of “supposedly”

Word of the Day


to send something through the air with force, especially by a sudden movement of the arm

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