milestone

MYL-stohn /ˈmaɪlstəʊn/
nounB2GREIELTSTOEFL
neutralformal

An important event or stage in the development or history of something or someone.

Signifies significant progress, turning points, or major life achievements.

The story behind the word. Literally a roadside stone marker placed along Roman roads to indicate distances in miles. It shifted metaphorically in the 19th century to represent significant points along life's journey.

Word relationships

  • landmark: Landmark usually refers to a famous physical site or historically transformative event; milestone emphasizes personal or progressive progress.
  • turning point: A turning point implies a decisive change in direction, whereas a milestone marks a steady achievement.

Commonly confused with

  • millstone: A milestone is a celebrated achievement; a millstone is a heavy burden or obstacle.

Collocations

  • major milestone
  • developmental milestone
  • reach a milestone
  • celebrate a milestone

Idioms & expressions

  • mark a milestone

Example sentences

  • "Reaching twenty weeks of pregnancy is an exciting milestone for expectant parents." Child development
  • "The team celebrated completing the project's first major milestone ahead of schedule." Project progress

Memory hook

A MILESTONE marks how far you have walked on life's path. A marker on life's journey.

When not to use

Do not use for minor everyday events that lack long-term importance.

Fun facts

  • Ancient Roman milestones were heavy stone pillars that listed not only distance but also the emperor who ordered the road built.

Related words

keepsake, heirloom

LangBlitz
Take your vocabulary further with LangBlitz

Our English vocabulary app: FSRS spaced repetition, 5,000+ curated words across 119 topic groups, CEFR A1 to C2. Explore your mastery with the beautiful Vocabulary World feature.