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Word

milestone

noun B1
UK /ˈmaɪlstəʊn/
US /ˈmaɪlˌstoʊn/

A milestone is an important event or stage that marks significant progress or development.

milestone: A milestone is an important event or stage that marks significant progress or development.

Meanings

noun

An important event, achievement, or stage in the development or progress of something.

noun

A stone or post set up beside a road to mark the distance in miles to or from a particular place.

milestone: A stone or post set up beside a road to mark the distance in miles to or from a particular place.

Definition

A milestone is a very important event or achievement that marks a significant stage of development or progress. It often indicates a point where something new begins or a major goal has been reached. Milestones help us measure progress over time, whether in personal life, projects, or historical periods.

Examples

  • The completion of the new bridge was a major milestone for the city's infrastructure project.
  • Graduating from university is often considered a significant personal milestone for many young adults.
  • Reaching her first million subscribers on YouTube felt like an incredible milestone for the content creator.
  • The company celebrated a key milestone: its 10th anniversary in business.
  • Learning to walk is a huge developmental milestone for a baby.

Common mistake

Learners sometimes confuse "milestone" with "benchmark," though "benchmark" typically refers to a standard of excellence or point of reference rather than a significant event.

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