If you refer to someone's freewheeling lifestyle or attitudes, you mean that they behave in a casual, relaxed way without feeling restricted by rules or accepted ways of doing things.
He has given up his freewheeling lifestyle to settle down with his baby daughter.
...an update on corporate affairs delivered in Johnson's unique, freewheeling style.
freewheeling in British English
(ˌfriːˈwiːlɪŋ)
adjective
1.
relating to, operating as, or having a freewheel; coasting
2. informal
free of restraints; carefree or uninhibited
freewheeling in American English
(ˈfriˈhwilɪŋ; friˈwilɪŋ)
adjective
1.
of or having a freewheel
2. Informal
unrestrained in manner, actions, etc.; uninhibited
Examples of 'freewheeling' in a sentence
freewheeling
How much he admires your freewheeling intellectual outlook, the way you aren't tied down by all sorts of moral qualms.