Synonyms of insouciant in English:

insouciant


See definition of insouciant

adjective

1‘he had an insouciant attitude to their money problems’

SYNONYMS
nonchalant, untroubled, unworried, unruffled, unconcerned, lacking concern, indifferent, blasé, heedless, relaxed, calm, equable, equanimous, serene, composed, casual, easy, easy-going, airy, breezy, carefree, free and easy, free from care, free from worry, happy-go-lucky, light-hearted, frivolous, unserious
informal cool, laid back, upbeat
ANTONYMS

anxious, concerned