landmark
noun
land·mark
ˈland-ˌmärk 
1
: an object (such as a stone or tree) that marks the boundary of land
2
a
: a conspicuous object on land that marks a locality
b
: an anatomical structure used as a point of orientation in locating other structures
3
: an event or development that marks a turning point or a stage
4
: a structure (such as a building) of unusual historical and usually aesthetic interest
especially
: one that is officially designated and set aside for preservation
Examples of landmark in a Sentence
The Golden Gate Bridge is a famous landmark in San Francisco.
The battlefield is a national historical landmark.
The moon landing is a landmark in space exploration.
The decision was a landmark in legal history.
Recent Examples on the Web
The new law largely dismantles the 2022 Inflation Reduction Act, President Biden’s landmark budget bill, phasing out tax credits for wind and solar power much sooner than planned.
—
Justin Worland, Time, 11 July 2025
Designed by Foster + Partners, the landmark project reorganizes passenger flows by simplifying the stream of fliers heading from land to air side and vice versa.
—AFAR Media, 11 July 2025
The ruling in that case declared school segregation unconstitutional in California, a precedent later cited in the landmark Brown v. Board of Education.
—Hanna Kang, Oc Register, 11 July 2025
To celebrate that landmark album turning 50, here’s one longtime Fleetwood Mac fan’s unabashedly subjective countdown of their best songs, from the massive pop hits that defined their most successful lineup to assorted album cuts and highlights of their earliest recordings.
40.
—Ed Masley, AZCentral.com, 11 July 2025
See All Example Sentences for landmark
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Justin Worland, Time, 11 July 2025
Designed by Foster + Partners, the landmark project reorganizes passenger flows by simplifying the stream of fliers heading from land to air side and vice versa.
—AFAR Media, 11 July 2025
The ruling in that case declared school segregation unconstitutional in California, a precedent later cited in the landmark Brown v. Board of Education.
—Hanna Kang, Oc Register, 11 July 2025
To celebrate that landmark album turning 50, here’s one longtime Fleetwood Mac fan’s unabashedly subjective countdown of their best songs, from the massive pop hits that defined their most successful lineup to assorted album cuts and highlights of their earliest recordings.
40.
—Ed Masley, AZCentral.com, 11 July 2025
See All Example Sentences for landmark
Cite this Entry
“Landmark.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/landmark. Accessed 17 Jul. 2025.
Copy CitationKids Definition
landmark
noun
land·mark
ˈlan(d)-ˌmärk
1
: an object that marks the boundary of land
2
a
: a usually large object on land that is easy to see and can help a person find the way to a place near it
b
: an important building or monument
historical landmarks
3
: an event that marks a turning point
Medical Definition
landmark
noun
land·mark
-ˌmärk
1
: an anatomical structure used as a point of orientation in locating other structures (as in surgical procedures)
2
: a point on the body or skeleton from which anthropological measurements are taken
Love words? Need even more definitions?
Merriam-Webster unabridged
Share