Definition of adjacent in English:



  • 1Next to or adjoining something else.

    ‘adjacent rooms’
    ‘the area adjacent to the station’
    • ‘He walked towards the cave exit, which was directly adjacent to the room in which he had slept.’
    • ‘The accommodation is competed by a self-contained unit adjacent to the dining room.’
    • ‘This maneuver served only to strengthen our resolve and we booked a meeting room in a hotel adjacent to the convention site.’
    • ‘He nodded and slipped back into the bathroom adjacent to his room, presumably to spit.’
    • ‘Attached to the bedroom was a small comfy washroom, and adjacent to the living room was a kitchen.’
    • ‘The first morning I stopped abruptly when I heard a squealing pack of rats in a room adjacent to ours.’
    • ‘She turned and saw that there were doors that were adjacent to the room next door.’
    • ‘The nurse who had just walked in to access the equipment room adjacent to the waiting room sensed the tension.’
    • ‘Finding the public quarters, Viridian and David enter an empty room adjacent to it.’
    • ‘Doors zipping up and down, the ship appeared to only have one deck, and each room was adjacent to the other.’
    • ‘The filling station adjacent to the show rooms will not be disturbed during the building works.’
    • ‘Clive and his friends brought the equipment down from their second floor apartment and set up in the room adjacent to the rec room.’
    • ‘She stayed in her room on the first floor or in her office adjacent to her room.’
    • ‘The blond man's study, he was vexed to learn, was locked, but the room adjacent to it was not.’
    • ‘He pulled me into the other bathroom, adjacent to Joel's room and locked both doors.’
    • ‘They invite you to get up and visit the wine room adjacent to the dining room.’
    • ‘We went to a room adjacent to the main hall, and as we walked in, a detainee was led out with fresh blood around his nose.’
    • ‘Walking in further she found the bathroom was adjacent to the dressing room.’
    • ‘He kept the prototype in the laundry room, which was adjacent to my bedroom in the basement.’
    • ‘The new pergola is adjacent to the dining room and is easily accessible through French doors.’
    adjoining, neighbouring, neighbouring on, next door to, abutting, close to, near to, next to, by, close by, by the side of, bordering, bordering on, beside, alongside, abreast of, contiguous with, proximate to, attached to, touching, joining
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  • 2Geometry
    (of a pair of angles) formed on the same side of a straight line when intersected by another line.

    • ‘At each vertex we consider the angles formed on the adjacent faces at that corner.’
    • ‘Their centers thus lie on the trisectors of the angles adjacent to that line.’


Late Middle English: from Latin adjacent- ‘lying near to’, from adjacere, from ad- ‘to’ + jacere ‘lie down’.