pu·ri·tan·i·cal
ˌpyo͝oriˈtanikəl
adjective derogatory
practicing or affecting strict religious or moral behavior.
synonyms: moralistic, puritan, pietistic, strait-laced, stuffy, prudish, prim, priggish
Beyond the mere dictionary definition, the roots of temperance and teetotaling are tied to religion.
Yes, it became entangled with progressive politics, but the temperance movement was already taking shape around the time of the American Revolution.