mi ‧ lieu /ˈmiːljɜː $ miːˈljɜː, -ˈljuː/ BrE AmE noun ( plural milieux /-ljɜːz, -ljɜː $ -ˈljɜːz, -ˈljuːz, -ˈljɜː, -ˈljuː/ or milieus ) [countable] formal
[ Date: 1800-1900 ; Language: French ]
the things and people that surround you and influence the way you live and think:
Proust’s work reflected his own social and cultural milieu.
She never felt happy in a student milieu.