Noun
heaviness -
the property of being comparatively great in weight; "the heaviness of lead"
weightiness
weightlessness ,
lightness having a light color
weight an artifact that is heavy
heft ,
ponderosity ,
heftiness ,
massiveness ,
ponderousness the property of being large in mass
heaviness -
persisting sadness; "nothing lifted the heaviness of her heart after her loss"
unhappiness ,
sadness state characterized by emotions ranging from mild discontentment to deep grief
heaviness -
unwelcome burdensome difficulty
burdensomeness ,
onerousness ,
oppressiveness
difficultness ,
difficulty the quality of being difficult; "they agreed about the difficulty of the climb"
heaviness -
used of a line or mark
thickness
broadness ,
wideness the property of being wide; having great width
heaviness -
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"
ponderousness
uninterestingness inability to capture or hold one's interest