Milestone

Origin

mile + stone.

Full definition of milestone

Noun

1. A stone milepost (or by extension in other materials), one of a series of numbered markers placed along a road at regular intervals, typically at the side of the road or in a median.
2. An important event in a person's life or career, in the history of a nation, in the life of some project, etc.
• 2012, w, Well-connected Brains, Creating a complete map of the human connectome would therefore be a monumental milestone but not the end of the journey to understanding how our brains work.

Synonyms

• landmark

Related terms

• mileage

Verb

1. To place milestones along (a road, etc.).
2. To plan out a project as a series of major steps.

Anagrams

• limestone