Synonyms of free-minded

1 Syllable
cool
2 Syllables
blithe, cheerful, content, casual, heedless, easy, reckless, feckless
3 Syllables
nonchalant, easygoing, untroubled, carefree, insouciant, lighthearted
4 Syllables
improvident, devil-may-care, unconcerned
5 Syllables
irresponsible, happy-go-lucky, lackadaisical