What does "ponderousness" mean?

The quality of being ponderous.

What is a synonym for "ponderousness"?

Common synonyms include: aridity, avoirdupois, awkwardness, bad taste, barbarism, barbarousness.

noun

noun ·Moderate ·College level

Noun

1
The quality of being ponderous. uncountable, usually
2
the property of being large in mass wordnet
3
an oppressive quality that is laborious and solemn and lacks grace or fluency wordnet

From Middle English ponderusnes, equivalent to ponderous + -ness.