'Ponderousness' definitions:

Definition of 'ponderousness'

From: WordNet
noun
An oppressive quality that is laborious and solemn and lacks grace or fluency; "a book so serious that it sometimes subsided into ponderousness"; "his lectures tend to heaviness and repetition" [syn: ponderousness, heaviness]
noun
The property of being large in mass [syn: heft, heftiness, massiveness, ponderousness, ponderosity]

Definition of 'Ponderousness'

From: GCIDE
  • Ponderousness \Pon"der*ous*ness\, n. The quality or state of being ponderous; ponderosity. [1913 Webster]

Synonyms of 'ponderousness'

From: Moby Thesaurus