That is the correct spelling of the word "unperturbed" (unaffected, calm).
He doesn't seem unperturbed by the comment Eric made.
If you are trying to spell musician that is how you spell it.
You spell it orbiting.You spell it orbiting.You spell it orbiting.You spell it orbiting.You spell it orbiting.You spell it orbiting.
You spell it suffocate.
This is how you spell it: Frisbee
unperturbed
The boy was remarkably unperturbed by the terrible news.
The nasty argument left her unperturbed. (She was not bothered)
Despite the chaos around her, she remained unperturbed and continued to focus on her work.
He doesn't seem unperturbed by the comment Eric made.
Composed, undisturbed, unruffled, or placid. Those words mean unperturbed.
calmtranquilplacidundisturbedunstirredcollectedserene
unfazed
Undisturbed, calm and collected
Calm, unruffled, serene
Not to disturb someone or something
びくともし