landlocked

Etymology

From land + locked (i.e. "locked-in by land on all sides").

adj

1. (of a country, geographical region, etc.) Surrounded by land (having no borders with the sea).
   Switzerland is landlocked and obviously will never be a great sea power and must always trade overland.
   Located in Kowloon, with an area of 9.36 km², Wong Tai Sin is the only district in Hong Kong that is totally landlocked. It has a population of 420,183 (2011) and a high density of 44.891/km². 2020, Eunice Mei Feng Seng, Resistant City: Histories, Maps and the Architecture of Development, →DOI, →OCLC, page https://books.google.com/books?id=4mLcDwAAQBAJ&pg=PT228, columns 1, 2
2. Living in freshwater, such as landlocked salmon.
3. (US, real estate, of a property or parcel) Surrounded by other property and having no access to a public road.
   An easement of necessity, said the court, may be provided when property is landlocked and the owner needs access to that property from a public highway. 2005, Washington Legislative Reference Bureau, State of Wisconsin Blue Book, 2005-2006, page 610
   In some states, the law allows for easements by necessity, especially in circumstances where a property is landlocked. 2005, Thomas J. McEvoy, Owning and Managing Forests: A Guide to Legal, Financial, and Practical Matters, page 49
   For example, if a property is landlocked (entirely surrounded by other privately owned land) and has no access to a public street... 2006, Real Estate Principles, Rockwell publishing, page 114