unconcerned
adjective/ˌʌnkənˈsɜrnd/
Frequency rank: #16,636 most common English word
Meaning
not worried or troubled; feeling no anxiety about something.

Example sentence
He seemed completely unconcerned about the storm warning and went for a walk anyway.
Synonyms & related words
- indifferent
- carefree
- untroubled
- unbothered
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