sickish vs queasy

sickish and queasy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
sickish	No	Yes	No	No
queasy	No	Yes	No	No

As adjectives, sickish and queasy are synonyms defined as:

Other synonyms of sickish include nauseated, nauseous, sick.

sickish (adjective)	queasy (adjective)
feeling nausea; feeling about to vomit	feeling nausea; feeling about to vomit
	causing or fraught with or showing anxiety
	causing or able to cause nausea