screwing noun 2adjective 1forms 3 noun2 •The act by which something is screwed (in various senses).But this was a sadly lingering process, since there must be as many screwings and unscrewings as there are copies to be printed. — 1854 •(slang, vulgar) An act of sexual intercourse. adjective1 •(no longer used) Exacting; extortionate; close. formsscrewings · more screwing · most screwing