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- milestone 1
milestone
noun
mile·stone
ˈmī(-ə)l-ˌstōn 
1
: a stone serving as a milepost (see milepost sense 1)
2
: a significant point in development
Graduating from college was an important milestone in her life.
Examples of milestone in a Sentence
the new drug was regarded as a milestone in the treatment of heart disease
Recent Examples on the Web
If attention arrives fast, share credit and keep momentum steady by choosing the next clear milestone.
—
Tarot.com, Sun Sentinel, 15 June 2026
At the time, Joanna celebrated Magnolia Market's milestone by sharing highlights from the first Silobration on Instagram, including photos and videos of the live performances, vendors and crowds that attended.
—Natalia Senanayake, PEOPLE, 15 June 2026
The number one bow is just another milestone for Swift, who was inducted into the Songwriters Hall of Fame last week, becoming the youngest woman ever to be given that honor.
—Ethan Millman, HollywoodReporter, 15 June 2026
That milestone is what pushed the team to build a company.
—Lily Mae Lazarus, Fortune, 15 June 2026
See All Example Sentences for milestone
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Tarot.com, Sun Sentinel, 15 June 2026
At the time, Joanna celebrated Magnolia Market's milestone by sharing highlights from the first Silobration on Instagram, including photos and videos of the live performances, vendors and crowds that attended.
—Natalia Senanayake, PEOPLE, 15 June 2026
The number one bow is just another milestone for Swift, who was inducted into the Songwriters Hall of Fame last week, becoming the youngest woman ever to be given that honor.
—Ethan Millman, HollywoodReporter, 15 June 2026
That milestone is what pushed the team to build a company.
—Lily Mae Lazarus, Fortune, 15 June 2026
See All Example Sentences for milestone
Cite this Entry
“Milestone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/milestone. Accessed 16 Jun. 2026.
Copy CitationKids Definition
milestone
noun
mile·stone
ˈmī(ə)l-ˌstōn
1
: a milepost made of stone
2
: an important point in progress or development
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