residential

res‧i‧den‧tial W3 AC / rezədenʃ ə l◂, rezɪdenʃ ə l◂ / 形容词

1 a residential part of a town consists of private houses, with no offices or factories → suburban :

a quiet residential neighbourhood

2 relating to homes rather than offices or businesses → domestic :

telephone services for residential customers

3 residential course/school etc especially British English if you are on a residential course, you are living in the institution where you are studying