Definition

1. Adjective:
   • Located near or close to something else, but not necessarily touching it: "Adjacent" describes things that are positioned very near each other, often side-by-side, though they may not be in direct contact.
   • Sharing a common boundary or edge; touching; adjoining: This meaning specifies that the things are next to each other and actually touch or share a border.
   • Nearest in space or position; immediately next to without any intervening space: This emphasizes direct proximity with nothing in between.

Usage

• Use "adjacent" to describe the physical position of objects, places, or areas relative to each other. It is a formal term often used in technical, geographical, or descriptive contexts.
• The preposition "to" is typically used after "adjacent" (e.g., ).
• It can describe both touching and non-touching proximity, but context usually clarifies which meaning is intended.

Examples

• General Proximity (Not Necessarily Touching):
  • Our hotel room was adjacent to the elevator shaft, so we heard it all night.
  • The farm has lands adjacent to the river.
• Sharing a Border (Touching):
  • The two adjacent states share a long common border.
  • Please assemble the adjacent pieces of the puzzle.
• Immediately Next To (No Intervening Space):
  • They booked adjacent seats on the airplane.
  • The kitchen is adjacent to the dining room.

Advanced Usage

• "Adjacent to": This is the standard prepositional phrase used with the word.
  • The new building will be constructed adjacent to the existing library.
• In mathematics, specifically geometry, "adjacent angles" are two angles that share a common side and a common vertex (corner point) and do not overlap.

Variants and Related Words

• Adjacency (noun): The state of being adjacent or close.
  • The adjacency of the house to the road was a concern for noise.
• Adjacently (adverb): In an adjacent manner.
  • The two houses were built adjacently.

Synonyms

• Adjoining: Directly attached or next to, often sharing a boundary. (Implies touching)
• Bordering: Sharing a border with.
• Contiguous: Sharing a common border; touching. (More formal)
• Neighboring: Located nearby.
• Next to: Immediately beside. (Less formal)
• Abutting: Touching or bordering on.

Antonyms

• Distant: Far away in space.
• Remote: Far away; isolated.
• Separated: Kept apart; not together.
• Noncontiguous: Not sharing a common border.

Related Phrases

• Adjacent possible: A term used in innovation theory to describe all the potential innovations that are one step away from what currently exists.
  • The company is exploring the adjacent possible in battery technology.

Adjective

1. near or close to but not necessarily touching
   • lands adjacent to the mountains
   • New York and adjacent cities
2. having a common boundary or edge; abutting; touching; Massachusetts and Conncecticut"
   • Rhode Island has two bordering states
   • the side of Germany conterminous with France
   • Utah and the contiguous state of Idaho
   • neighboring cities
3. nearest in space or position; immediately adjoining without intervening space
   • had adjacent rooms
   • in the next room
   • the person sitting next to me
   • our rooms were side by side