lais ‧ sez-faire BrE AmE , laisser-faire /ˌleseɪ ˈfeə, ˌleɪ- $ -ˈfer/ noun [uncountable]
[ Date: 1800-1900 ; Language: French ; Origin: 'allow to do' ]
1 . the principle that the government should allow the ↑ economy or private businesses to develop without any state control or influence:
the policy of laissez-faire
laissez-faire economics/capitalism
2 . laissez-faire attitude/approach etc when you do not become involved in other people’s personal affairs