puritan has definitions from the field of religion
1
[ noun ] (religion) adheres to strict religious principles; opposed to sensual pleasures

Related terms

abstainer

2
[ adjective ] morally rigorous and strict

Examples

"blue laws" "the puritan work ethic" "puritanic distaste for alcohol" "she was anything but puritanical in her behavior"

Related terms

nonindulgent

3
[ noun ] a person excessively concerned about propriety and decorum

Synonyms

prude

Related terms

unpleasant_person

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