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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
Chantel says that when Savannah isn't showering Ivy with gifts, her adoptive parents keep her biological mom updated on major milestones.
—
Zoey Lyttle, People.com, 18 Apr. 2025
Murray noted that 2004 was a milestone for Black homeownership, hitting a highmark of 49%, but it’s decreased considerably since then.
—Raisa Habersham, Miami Herald, 18 Apr. 2025
Now, that boost has helped the title hit an important milestone.
—Hugh McIntyre, Forbes.com, 17 Apr. 2025
The special capsule, which consists of eight looks, is called Sala Bianca, a nod to another milestone in Brioni’s history.
—Jean E. Palmieri, Footwear News, 17 Apr. 2025
See All Example Sentences for milestone
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Zoey Lyttle, People.com, 18 Apr. 2025
Murray noted that 2004 was a milestone for Black homeownership, hitting a highmark of 49%, but it’s decreased considerably since then.
—Raisa Habersham, Miami Herald, 18 Apr. 2025
Now, that boost has helped the title hit an important milestone.
—Hugh McIntyre, Forbes.com, 17 Apr. 2025
The special capsule, which consists of eight looks, is called Sala Bianca, a nod to another milestone in Brioni’s history.
—Jean E. Palmieri, Footwear News, 17 Apr. 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 22 Apr. 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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