Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “through thick and thin”

through thick and thin

in good times and bad times: My brother has stuck with me through thick and thin.
(Definition of through thick and thin from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definitions of “through thick and thin” in other dictionaries

Translations of “through thick and thin”

Word of the Day


a journey on a large ship for pleasure, during which you visit several places

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