milestone

MYL-stohn /ˈmaɪlstəʊn/
nounB2IELTSTOEFL
generalacademic

A significant stage, achievement, or event marking progress in growth or a project.

Implies a distinct, measurable checkpoint along a long journey.

The story behind the word. Literally a stone set beside a road to mark distance in miles from a central city. By the 19th century, writers borrowed the physical post to symbolize key events in human growth and biography.

Word relationships

  • benchmark: Benchmark is a standard for comparison, whereas milestone is an event marking progress.
  • turning point: A turning point alters direction, while a milestone simply marks distance along a trajectory.
  • setback: A setback represents movement away from a goal rather than progress forward.

Commonly confused with

  • tombstone: A tombstone marks an end, whereas a milestone marks progress on an ongoing journey.

Word family

  • milestones (noun): Plural form marking multiple sequential achievements.

Collocations

  • reach a milestone
  • major milestone
  • developmental milestone
  • key milestone

Idioms & expressions

  • mark a milestone

Example sentences

  • "Taking one's first unassisted steps is a major physical milestone in early childhood." Child development milestone tracking

Memory hook

A stone on the road showing how many MILES you've traveled toward your goal. A stone post on the road of life.

When not to use

Do not use for routine daily activities that lack strategic importance.

Fun facts

  • Roman roads used actual cylindrical milestones called 'milliaria' placed every 1,000 paces.

Related words

developmental, cognitive

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