Superlative form of queasy: most queasy.(adjective)
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Use "queasiest" in a sentence
"MURPHY: I mean, I think the queasiest feeling I got is watching some of these women saying I love it, it's just wonderful to have five wives, one husband and have my little 13-year-old get raped by yet another adult."
"Thank you, Davies, for several of the pleasantly queasiest moments I've ever seen scripted."
"J can be tolerated by even the queasiest of stomachs and weakest of constitutions (save for those unfortunate to suffer from peanut allergies)."