Wiktionary
a. not bothered, serene
Usage examples of "unbothered".
It was annoying to be caught in a desperate situation with someone who seemed unbothered by the hazards.
There, unbothered by the clamour and distraction of the restaurant, every night she had completed her homework and read her books and daydreamed about a future that had fluctuated between becoming a model or a writer or even, several times during her classical romantic phase, courtesan to a rich and famous man: an exiled king, maybe.
In any case, her husband seemed utterly unbothered by the tensions and doubts that pressured other members of his profession.
Vahil took great pleasure in assailing the heights of fashion, unbothered by his incongruous stoutness or the pockmarks pitting his cheerful face.
There you will pass the rest of your days, blissfully unbothered by company.
Earth was unguarded, sleeping sublimely as the business of the race to which it had given birth went on unbothered half a galaxy away.
The human nose becomes desensitized to a given odor over a period of time, and Gidi was completely unbothered by the filth, the stench, the squalor.