Unselfconscious (adjective)

Not self-conscious or embarrassed; natural and confident.

Origin:

Early 20th century; formed from the prefix un- and the adjective "self-conscious".

Examples:

1. The unselfconscious child was unaware of his own appearance.
2. The unselfconscious performer was able to captivate the audience.
3. The unselfconscious person was comfortable in his own skin.
4. The unselfconscious dancer moved gracefully.
5. The unselfconscious speaker was able to connect with the audience.