Webster's Revised Unabridged Dictionary · 1913

Queasy

Queasy , adjective

[Icelandic kweisa pain; compare Norw. kveis sickness after a debauch.]

1.
Sick at the stomach; affected with nausea; inclined to vomit; qualmish.
2.
Fastidious; squeamish; delicate; easily disturbed; unsettled; ticklish.
A queasy question. — Shakespeare
Some seek, when queasy conscience has its qualms. — Cowper