STIFF is validvalid

difficult to bend or stretch [adj STIFFER, STIFFEST] : STIFFLY [adv], STIFFNESS [n] / to cheat someone by not paying [v STIFFED, STIFFING, STIFFS]

13,273 of 196,601 in NWL2023·also valid in CSW24

rigid [adj STIFFER, STIFFEST, STIFFLY] / to cheat, rob [v -ED, -ING, -S]