Synonyms of landmark
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
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.
The landmark property celebrates the style of the sixties, when air travel still had a spark of glamor. Allison Tibaldi, USA Today, 4 July 2026 Molde’s appeal is not based on a single landmark, but on its position between fjord, coast, islands, and mountains. David Nikel, Forbes.com, 2 July 2026 The Supreme Court has released a slew of opinions to mark the end of its current term, and one of them could prove to be a landmark case for personal protections. Justin Klawans, TheWeek, 2 July 2026 The tribe was also a major player in winning a landmark case in 1974 that affirmed the treaty rights of Northwest tribes to harvest fish. ABC News, 2 July 2026 See All Example Sentences for landmark

Word History

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of landmark was before the 12th century

Browse Nearby Words

Cite this Entry

“Landmark.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/landmark. Accessed 8 Jul. 2026.

Kids Definition

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

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

Legal Definition

landmark

noun
land·​mark
often attributive
1
: an object (as a stone or tree) that marks a boundary of land
2
: an event or development that marks a turning point or stage
a landmark decision
3
: a structure (as a building) of unusual historical or aesthetic interest
especially : one that is officially designated and set aside for preservation

More from Merriam-Webster on landmark

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster