The Collaborative International Dictionary of English v.0.48:
Grundyism \Grun"dy*ism\, n. Narrow and unintelligent conventionalism. -- Grun"dy*ist, n. [Webster 1913 Suppl.]WordNet (r) 3.0 (2006):
Grundyism n 1: excessive or affected modesty [syn: primness, prudishness, prudery, Grundyism]