adj. & v.
adj. (primmer, primmest) 1 (of a person or manner) stiffly formal and precise. 2 (of a woman or girl) demure. 3 prudish.
v.tr. (primmed, primming) 1 form (the face, lips, etc.) into a prim expression. 2 make prim. primly adv. primness n.
[ 17th c.: prob. orig. cant f. OF prin prime excellent f. L primus first ]