English Thesaurus

Synonyms of 'insouciant'

(adjective) 
Definition
carefree or unconcerned
He worked with insouciant disregard for convention.
Synonyms
nonchalant
Denis tried unsuccessfully to look nonchalant and uninterested.
,
casual
an easy-going young man with a casual approach to life
,
carefree
She remembered her years of carefree youth.
,
gay
I am in good health, gay and cheerful.
,
sunny
The staff wear big sunny smiles.
,
buoyant
She was in a buoyant mood.
,
airy
He sailed past, giving them an airy wave of the hand.
,
breezy
his bright and breezy personality
,
unconcerned
Paul was unconcerned about what he had done.
,
jaunty
The novel is altogether jauntier than these quotations imply.
,
untroubled
She remained untroubled by the reports.
,
happy-go-lucky
She was a happy-go-lucky girl, always laughing and joking.
,
free and easy
,
unworried
,
light-hearted
They were light-hearted and prepared to enjoy life.

Additional synonyms

in the sense of airy
Definition
light-hearted and casual
He sailed past, giving them an airy wave of the hand.
in the sense of breezy
Definition
casual or carefree
his bright and breezy personality
Synonyms
upbeat (informal),
chirpy (informal),
sparky,
free and easy,
full of beans (informal),
in the sense of buoyant
Definition
cheerful or resilient
She was in a buoyant mood.
Synonyms
upbeat (informal),
chirpy (informal),
sparky,
full of beans (informal),
peppy (informal),

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Source

Thesaurus for insouciant from the Collins English Thesaurus
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