na-adjective, noun
Describes a person's disposition: easily embarrassed, self-conscious, or prone to blushing. Often used with ～な人 or ～な性格.
彼は照れ性で、人前で話すのが苦手だ。
He is bashful and not good at speaking in front of people.
照れ性な性格を直したい。
I want to overcome my shy nature.