The Collaborative International Dictionary of English v.0.48:
Unquiet \Un*qui"et\, a. [Pref. un- + quiet.] Not quiet; restless; uneasy; agitated; disturbed. -- Un*qui"et*ly, adv. -- Un*qui"et*ness, n. [1913 Webster]WordNet (r) 3.0 (2006):
unquietly adv 1: with agitation or turbulence [ant: quiet, quietly]