Definition of "insipidness"
A lack of distinctive, appealing, or energetic character; tastelessness; extreme blandness.
Quotations
As Jean Lurcat said, "The art had died, killed by consumption, insipidness, lymphatism, and inversion."
1948, William S. Lieberman, "Modern French Tapestries," The Metropolitan Museum of Art Bulletin, New Series, vol. 6, no. 5, p. 142