Past tense of adjoin; connected or joined together, especially of rooms or spaces that share a wall or boundary.
From adjoin (ad- + jungere 'join') + -ed suffix. One of the most common forms of this verb in modern English.
Hotels use 'adjoining rooms' constantly in marketing—it's the perfect word because it suggests connection and proximity without being as intimate as 'shared' or as formal as 'adjacent.'
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