Source : Webster's Revised Unabridged Dictionary (1913)

Shyness \Shy"ness\, n.
   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
        {Bashfulness}.

Source : WordNet®

shyness
     n : a feeling of fear of embarrassment