milestone
[ mahyl-stohn ]
/ ˈmaɪlˌstoʊn /
noun
a stone functioning as a milepost.
a significant event or stage in the life, progress, development, or the like of a person, nation, etc.: Her getting the job of supervisor was a milestone in her career.
Words nearby milestone
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British Dictionary definitions for milestone
milestone
/ (ˈmaɪlˌstəʊn) /
noun
a stone pillar that shows the distance in miles to or from a place
a significant event in life, history, etc