Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “milestone”

milestone

noun [C] (IMPORTANT EVENT)    /ˈmaɪl.stəʊn/ US  /-stoʊn/ (UK also milepost)
an important event in the development or history of something or in someone's life: He felt that moving out from his parents' home was a real milestone in his life.Events and occurrencesAccidents and disastersTurning points and deciding moments
(Definition of milestone noun (IMPORTANT EVENT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of milestone

Browse related topics

You are looking at an entry to do with Events and occurrences, but you might be interested in these topics from the Happenings and events topic area:

More definitions for “milestone”

Definitions of “milestone” in other dictionaries

Word of the Day

limber up

to do gentle exercises to stretch the muscles in order to prepare the body for more active physical exercise

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