[adjective] [formal] - very near, next to, or touchingShe sat down on an adjacent sofa.They work in adjacent buildings.There was a cinema adjacent to where I lived/my house. [adjective] [noun] [C] - a word that describes a noun or pronoun'Big', 'boring', 'purple', 'quick', 'obvious' and 'silvery' are all adjectives.See study section: Adjectives and adverbs
ADJACENT
Meaning of ADJACENT in English
Cambridge English vocab. Кембриджский английский словарь. 2012