Definition of milestone in English:

milestone

noun

  • 1A stone set up beside a road to mark the distance in miles to a particular place.

    • ‘A granite marker stone or milestone is preserved in Breage church.’
    • ‘The French twin town presented Ingleton with a milestone setting out the distance between the two.’
    • ‘Stuart now studies old Ordnance Survey maps, which mark the location of milestones with the letters MS, or MP for milepost.’
    • ‘My mum pointed me at Milestones Online, a site cataloguing signposts and milestones, mostly in my home county of Essex.’
  • 2An action or event marking a significant change or stage in development.

    ‘the speech is being hailed as a milestone in race relations’
    • ‘Here are important milestones on the road leading up to the current situation.’
    • ‘Each of these are milestones on a road that's inexorably leading us into a one-way street from which there is no return.’
    • ‘It now stands at the last milestone on the road away from militarism.’
    • ‘Of course such incidents are important milestones on our road to adulthood.’
    • ‘It is not easy but represents a positive milestone on the long road to recovery.’
    turning point, milestone, watershed, critical point, historic event, major achievement
    View synonyms

Pronunciation:

milestone

/ˈmīlˌstōn/