weightiness
weight-i-ness
noun
The quality of being heavy, important, or profoundly serious.
"The weightiness of the subject demanded careful consideration."
Thesaurus
Antonyms: lightness, weightlessness
weight-i-ness
The quality of being heavy, important, or profoundly serious.
"The weightiness of the subject demanded careful consideration."
Antonyms: lightness, weightlessness