American English

Definition of adjoin verb from the Oxford Advanced American Dictionary



[transitive, intransitive] adjoin (something) (formal)Verb Forms present simple I / you / we / they adjoin
he / she / it adjoins
past simple adjoined
-ing form adjoining
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to be next to or joined to something A barn adjoins the farmhouse.
adjoining adjective [usually before noun]
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They stayed in adjoining rooms. We'll have more space if we knock down the adjoining wall (= the wall between two rooms).
See the Oxford Advanced Learner's Dictionary entry: adjoin