Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “the mother of all sth”

the mother of all sth

informal
an extreme example of something: We got caught in the mother of all storms .Power and intensityEnergy, force and power
(Definition of the mother of all sth from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Translations of “the mother of all sth”

Word of the Day

best man

a male friend or relation of the bridegroom who stands with him and helps him during a marriage ceremony

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