Unworried (adjective)

1. Not feeling or showing concern or anxiety.
2. Not worried.

Origin:

Formed from "un-" (a prefix meaning "not") and "worried" (an adjective meaning "feeling or showing concern or anxiet.y")

Examples:

1. He was unworried about the outcome of the match.
2. She remained unworried about her finances despite the economic downturn.
3. The child was unworried by the dark storm clouds gathering.
4. He was completely unworried about the future.
5. Despite the chaotic scene, the police officer remained unworried.