Simple Definition of adjoin
of a building, room, area of land, etc. : to be next to or joined with something
Full Definition of adjoin
1 : to add or attach by joining
2 : to lie next to or in contact with
: to be close to or in contact with one another
Examples of adjoin in a sentence
Her office adjoins the library.
The two rooms adjoin each other.
Origin and Etymology of adjoin
Middle English, from Anglo-French ajoindre, from Latin adjungere, from ad- + jungere to join — more at yoke
First Known Use: 14th century
ADJOIN Defined for Kids
Definition of adjoin for Students
: to be next to or in contact with <The two rooms adjoin each other.>
Seen and Heard
What made you want to look up adjoin? Please tell us where you read or heard it (including the quote, if possible).