insouciant
0 antonyms and opposites of insouciant, grouped by meaning.
Adj — Casually unconcerned; carefree, indifferent, nonchalant.
We haven't recorded synonyms for insouciant yet. You can still read its full definition, where it comes from, or words that rhyme with it.
Etymology
From French insouciant, from in- (“not”, prefix) + souciant (“worrying”), 1828.
Full origin of insouciant →