Definition of milestone in English:


Syllabification: mile·stone
Pronunciation: /ˈmīlˌstōn


  • 1A stone set up beside a road to mark the distance in miles to a particular place.
    More example sentences
    • A granite marker stone or milestone is preserved in Breage church.
    • Stuart now studies old Ordnance Survey maps, which mark the location of milestones with the letters MS, or MP for milepost.
    • The French twin town presented Ingleton with a milestone setting out the distance between the two.
  • 2An action or event marking a significant change or stage in development: the speech is being hailed as a milestone in race relations
    More example sentences
    • Here are important milestones on the road leading up to the current situation.
    • It is not easy but represents a positive milestone on the long road to recovery.
    • Each of these are milestones on a road that's inexorably leading us into a one-way street from which there is no return.
    landmark, significant event, achievement, highlight, watershed, benchmark, touchstone

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