Synonyms of nonchalant in English:

nonchalant


See US English definition of nonchalant

See UK English definition of nonchalant

See Spanish definition of despreocupado

adjective

1‘he had tried to appear nonchalant about the risks he was taking’

SYNONYMS
calm, cool, unconcerned, collected, cool, calm, and collected, cool as a cucumber, composed, airy
indifferent, unemotional, blasé, dispassionate, detached, apathetic, casual, offhand, insouciant
informal laid-back
ANTONYMS

anxious, concerned