Source : Webster's Revised Unabridged Dictionary (1913)

Unembarrassed \Un`em*bar"rassed\, a.
   Not embarrassed. Specifically:
   (a) Not perplexed in mind; not confused; as, the speaker
       appeared unembarrassed.
   (b) Free from pecuniary difficulties or encumbrances; as, he
       and his property are unembarrassed.
   (c) Free from perplexing connection; as, the question comes
       into court unembarrassed with irrelevant matter.

Source : WordNet®

unembarrassed
     adj : not embarrassed; "a tinseled charm and unabashed
           sentimentality"- Jerome Stone; "an unembarrassed
           greeting as if nothing untoward had happened" [syn: {unabashed}]