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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
The deal comes after nearly a year of negotiations and represents a significant milestone for Indian content creation, moving away from unauthorized adaptations that have plagued the industry in previous decades.
—
Naman Ramachandran, Variety, 4 Aug. 2025
The Busan International Film Festival is marking its milestone 30th edition this year, with veteran actor Lee also serving as the host for the festival’s opening ceremony.
—Sara Merican, Deadline, 4 Aug. 2025
His comments to reporters in early July came as the House concluded a more than seven-hour vote, then the longest in the chamber’s history (a milestone hit after the chamber had already broken the record a week earlier).
—Savannah Kuchar, USA Today, 3 Aug. 2025
Cult western favourite The Quick And The Dead turns 30 this year – a milestone Sony Pictures Home Entertainment has happily decided to celebrate by releasing the film on a new limited edition Steelbook 4K Blu-ray.
—John Archer, Forbes.com, 1 Aug. 2025
See All Example Sentences for milestone
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Naman Ramachandran, Variety, 4 Aug. 2025
The Busan International Film Festival is marking its milestone 30th edition this year, with veteran actor Lee also serving as the host for the festival’s opening ceremony.
—Sara Merican, Deadline, 4 Aug. 2025
His comments to reporters in early July came as the House concluded a more than seven-hour vote, then the longest in the chamber’s history (a milestone hit after the chamber had already broken the record a week earlier).
—Savannah Kuchar, USA Today, 3 Aug. 2025
Cult western favourite The Quick And The Dead turns 30 this year – a milestone Sony Pictures Home Entertainment has happily decided to celebrate by releasing the film on a new limited edition Steelbook 4K Blu-ray.
—John Archer, Forbes.com, 1 Aug. 2025
See All Example Sentences for milestone
Cite this Entry
“Milestone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/milestone. Accessed 7 Aug. 2025.
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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