free and easy (?.)
- Bohemian
- affable
- afoot and lighthearted
- airy
- at large
- at liberty
- beat
- blase
- boon
- breakaway
- breezy
- buoyant
- carefree
- careless
- casual
- clear
- convivial
- cordial
- corky
- cursory
- debonair
- degage
- detached
- devil-may-care
- disengaged
- disregardant
- disregardful
- easy
- easygoing
- emancipated
- familiar
- far out
- festive
- flippant
- folksy
- footloose
- footloose and fancy-free
- forgetful
- free
- free as air
- freeborn
- freed
- fringy
- gay
- go-as-you-please
- gracious
- hail-fellow-well-met
- haymish
- hearty
- heedless
- heretical
- heterodox
- hippie
- homely
- homey
- in the clear
- inconsiderate
- indifferent
- informal
- insouciant
- irregular
- jaunty
- jolly
- jovial
- kinky
- lackadaisical
- lazy
- liberated
- light
- lighthearted
- lightsome
- loose
- maverick
- natural
- nonchalant
- not cricket
- not done
- not kosher
- oblivious
- offbeat
- offhand
- offhanded
- on the loose
- original
- perfunctory
- perky
- plain
- reckless
- regardless
- relaxed
- released
- resilient
- respectless
- scot-free
- simple
- sociable
- tactless
- thoughtless
- unaffected
- unassuming
- unattached
- unceremonious
- uncommitted
- unconcerned
- unconstrained
- unconventional
- undiplomatic
- unengaged
- unfashionable
- unheedful
- unheeding
- uninvolved
- unmindful
- unofficial
- unorthodox
- unprepared
- unready
- unsolicitous
- unstudied
- untactful
- unthinking
- way out
