frum
adj.— «“All of a sudden they decided this side of the town is not for them, they needed to go to the other side, because they’re more frum,” she said, using the Yiddish word for religious.» —“Two neighborhoods reveal Orthodox community’s fault lines” by Amy Klein Jewish Journal (Los Angeles, California) Nov. 10, 2006. (source: Double-Tongued Dictionary)
Further reading
Aaron in Los Angeles, California, notes while using public transit in Britain he and other passengers were instructed to alight from the front, meaning “exit the car from the front.” Alight comes from an Old English word alihtan, literally, to...
A librarian opens a book and finds a mysterious invitation scribbled on the back of a business card. Another discovers a child’s letter to the Tooth Fairy, tucked into a book decades ago. What stories are left untold by these forgotten...
The word is from the German “fromm,” meaning pious. “Frum” is an adjective for Orthodox Jews. A person who is frum is a “frummie.” I’ve heard the latter mostly in reference to women or to groups, not usually to men. It can be a neutral descriptive term or a mildly disdainful one about a person more religious than oneself.