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 English Language Learners
Definition of adjoin for English Language Learners
of a building, room, area of land, etc. : to be next to or joined with something
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).