self-conscious

Concise Oxford English Dictionary © 2008 Oxford University Press:
self-conscious

▶adjective

• 1 nervous or awkward because unduly aware of oneself or one's actions.

• 2 (especially of an action) deliberate and with full awareness.

• 3 Philosophy & Psychology having knowledge of one's own existence, especially the knowledge of oneself as a conscious being.

– derivatives
self-consciously adverb,
self-consciousness noun.