The Collaborative International Dictionary
Squeamish \Squeam"ish\ (skw[=e]m"[i^]sh), a. [OE. squaimous, sweymous, probably from OE. sweem, swem, dizziness, a swimming in the head; cf. Icel. sveimr a bustle, a stir, Norw. sveim a hovering about, a sickness that comes upon one, Icel. svimi a giddiness, AS. sw[=i]ma. The word has been perhaps confused with qualmish. Cf. Swim to be dizzy.] Having a stomach that is easily turned or nauseated; hence, nice to excess in taste; fastidious; easily disgusted; apt to be offended at trifling improprieties.
Quoth he, that honor's very squeamish
That takes a basting for a blemish.
--Hudibras.
His muse is rustic, and perhaps too plain
The men of squeamish taste to entertain.
--Southern.
So ye grow squeamish, Gods, and sniff at heaven.
--M.
Arnold.
Syn: Fastidious; dainty; overnice; scrupulous. See Fastidious. [1913 Webster] -- Squeam"ish*ly, adv. -- Squeam"ish*ness, n.
Wiktionary
adv. In a squeamish manner.
WordNet
adv. in a squeamish manner; "`I would rather not touch,' he said squeamishly"