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Squeamish
Squeamishness (Squeamish) typically refers to easily triggered feelings of repulsion, disgust, or physical illness often brought on by exposure to certain external stimuli.
Wikipedia
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Squeamish (adjective)
easily bothered or upset; tending to be nauseated or nervous; oversensitive
“He might have made a good doctor, had he not been so squeamish about the sight of blood.”
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Squeamish (adjective)
averse or reluctant
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Squirmish (adjective)
showing signs of restlessness resulting from feelings of discomfort or distress.
Wiktionary