Source : Webster's Revised Unabridged Dictionary (1913)

Unquiet \Un*qui"et\, a. [Pref. un- + quiet.]
   Not quiet; restless; uneasy; agitated; disturbed. --
   {Un*qui"et*ly}, adv. -- {Un*qui"et*ness}, n.

Source : WordNet®

unquietly
     adv : with agitation or turbulence [ant: {quietly}]