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
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.”
Squeamish (adjective)
averse or reluctant
Squirmish (adjective)
showing signs of restlessness resulting from feelings of discomfort or distress.
Wiktionary