Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “seventieth”


adjective, adverb, noun [C]    /ˈsev·ən·ti·əθ/
(in the position of) the number 70 in a series; 70th: Today is his seventieth birthday. A seventieth is one of 70 equal parts of something.
(Definition of seventieth adjective, adverb, noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of seventieth

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