1) Awkwardness 2) Distance 3) Humility 4) Lack 5) Nervousness 6) Reserve 1) Bashfulness 2) Cause of some blushing 3) Diffidence 4) Hesitancy 5) Introversion 6) Modesty 7) Quietness 8) Reserve 9) Reticence 10) Social problem 11) Timidity 12) Timidness 13) Timorousness 14) Withdrawn quality 
Shyness (also called diffidence) is the feeling of apprehension, lack of comfort, or awkwardness especially when a person is in proximity to other people. This commonly occurs in new situations or with unfamiliar people. Shyness can be a characteristic of people who have low self-esteem. Stronger forms of shyness are usually referred to as social ...
• (n.) The quality or state of being shy.
Discomfort and partial inhibition of the usual forms of behaviour when in the presence of others. ... (12 Dec 1998) ... 
Shy'ness noun The quality or state of being shy. [ Written also shiness .] « Frequency in heavenly contemplation is particularly important to prevent a shyness bewtween God and thy soul.» Baxter. Syn. -- Bashfulness; reserve; coyness; timidity; diffidence. See ...
[n] - a feeling of fear of embarrassment
noun a feeling of fear of embarrassment
An individual's discomfort and/or inhibition in interpersonal situations that interferes with pursuing interpersonal or professional goals.