unselfconsciously

Example:He gave a naturally honest answer, which was refreshing in its simplicity.

Definition:In a manner that seems natural and is not constrained or affected

Example:She moved her hands freely, seemingly unselfconsciously, as she spoke.

Definition:Without restraint and in a relaxed manner

Example:He laughed and smiled casually, unselfconsciously enjoying the moment.

Definition:In an informal and relaxed manner, without too much care or consideration