The Collaborative International Dictionary of English v.0.48:
Primness \Prim"ness\, n. The quality or state of being prim; affected formality or niceness; preciseness; stiffness. [1913 Webster]WordNet (r) 3.0 (2006):
primness n 1: excessive or affected modesty [syn: primness, prudishness, prudery, Grundyism] 2: exaggerated and arrogant properness [syn: priggishness, primness]