Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “whatsit”


noun [C] uk   /ˈwɒt.sɪt/ us    /ˈwɑːt-/ informal
any object or person whose name you have temporarily forgotten or do not know: Where's the whatsit that you change channels with? You'd better tell whatsit - what's his name - the guy in charge of stationery.Names and titles
(Definition of whatsit from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of whatsit?
Add Cambridge dictionaries to your browser to your website

Translations of “whatsit”

Word of the Day


an alcoholic drink made from apples

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