gaudiness
Concise Oxford English Dictionary © 2008 Oxford University Press:
gaudy1
▶adjective (gaudier, gaudiest) extravagantly or tastelessly bright or showy.
– derivatives
gaudily adverb,
gaudiness noun.
gaudily adverb,
gaudiness noun.
Concise Oxford English Dictionary © 2008 Oxford University Press:
gaudy2
▶noun (pl. gaudies) Brit. a celebratory dinner or entertainment held by a college for old members.
– origin C16 (in the sense ‘rejoicing, a celebration’): from L. gaudium ‘joy’, or from gaude ‘rejoice!’, imper. of gaudere.
'gaudiness' also found in these Oxford entries:

