The Collaborative International Dictionary of English v.0.48:
Queasiness \Quea"si*ness\, n. The state of being queasy; nausea; qualmishness; squeamishness. --Shak. [1913 Webster]WordNet (r) 3.0 (2006):
queasiness n 1: a mild state of nausea [syn: queasiness, squeamishness, qualm] 2: inability to rest or relax or be still [syn: restlessness, uneasiness, queasiness]