What does "bashfulness" mean?

Bashfulness: The quality of being bashful. Modesty arises from a low estimate of ourselves; bashfulness is an abashment or agitation of the spirits at coming into contact with others; diffidence is produced by an undue degree of self-distrust; shyness usually arises from an excessive self-consciousness, and a painful impression that every one is looking at us. Modesty of deportment is becoming at all; bashfulness often gives rise to mistakes and blundering; diffidence is society frequently makes a man a burden to himself; shyness usually produces a reserve or distance which is often mistaken for haughtiness.