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English definition of “roommate”

roommate

noun [C]     /ˈruːmmeɪt/
ROOM B2 someone who you share a room withFriends, acquaintances and contemporaries
HOME US (UK flatmate, housemate) B2 someone who you share your home withPeople who live or settle somewhereFriends, acquaintances and contemporaries
(Definition of roommate noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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