P3R1I1M3
8 points
PRIM is validvalid
formally precise or proper [adj PRIMMER, PRIMMEST] : PRIMLY [adv], PRIMNESS [n] / to purse the lips [v PRIMMED, PRIMMING, PRIMS]
rigidly proper [adj PRIMMER, PRIMMEST, PRIMLY] / to give a prim expression to [v PRIMMED, PRIMMING, PRIMS]