Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “be on to a good thing”

be on to a good thing

informal
(Definition of be on to a good thing from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Translations of “be on to a good thing”

Word of the Day

touch

an ability to do things in the stated, especially positive, way

Word of the Day

Blog

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