milestone

MYL-stohn /ˈmaɪl.stoʊn/
nounB2SATIELTSTOEFL
neutralbusinessjournalistic

A significant stage, event, or turning point in the development or history of a person, organization, or project.

Implies a distinct, measurable achievement along a continuing journey rather than a final ending.

The story behind the word. Originally, a milestone was literally a carved stone pillar placed along Roman roads to mark distances of one thousand paces. Over time, nineteenth-century writers began using the term figuratively to describe prominent events that measured progress in a person's life or a country's history.

Word relationships

  • turning point: 'Turning point' emphasizes a sudden shift in direction, whereas 'milestone' emphasizes structural progress along a trajectory.
  • benchmark: 'Benchmark' is a standard used for comparison, while 'milestone' is a concrete event achieved.
  • setback: A setback represents regression or pause in progress, whereas a milestone represents forward progress.

Commonly confused with

  • cornerstone: A cornerstone is a foundational element upon which something is built; a milestone is a progress marker along a timeline.

Word family

  • milestones (noun): Plural form referring to multiple landmark events.

Collocations

  • reach a milestone
  • major milestone
  • developmental milestone
  • significant milestone

Idioms & expressions

  • mark a milestone

Example sentences

  • "Reaching her eighteenth birthday was a major milestone that marked her entry into independent adulthood." Literature / Personal Narrative
  • "The publication of the treatise marked an intellectual milestone in modern economic theory." Historical Biography

Memory hook

Imagine a stone sitting along a highway that tells you how far you have walked on your life's journey. A highway stone measuring your life's journey.

When not to use

Do not use for minor, daily routine tasks that lack structural or personal significance.

Fun facts

  • The oldest surviving literal milestone is the Golden Milestone set up by Emperor Augustus in the Roman Forum.

Related words

jubilee, annual

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