insouciant
- adjective (adj)
Meaning: easygoing, casual
Synonyms:
airy
breezy
buoyant
carefree
careless
free and easy
gay
happy-go-lucky
heedless
jaunty
lighthearted
nonchalant
sunny
thoughtless
unconcerned
untroubled
unworried
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.