puritanism

noun

1. (countable, uncountable)Strict and austere religious conduct.
2. (countable, uncountable)Extreme strictness regarding moral scruples.

   “2016 October 17, Vicky Spratt, "Work Hard, Work Hard:Meet The Neo-Puritans", Graziadaily.cohttp://graziadaily.co.uk/life/real-life/work-hard-work-hard-meet-neo-puritans Some have argued that the closure of Fabric is symptomatic of a wider shift towards a new puritanism in Britain: a culture in which fun, hedonism and cultural experimentation are no longer valued.”

3. (uncountable)The beliefs and practices of the Puritans.