As nouns the difference between badness and suckiness
is that badness is the quality of being bad while suckiness is (slang) the state or condition of being sucky; inferiority or badness.
badness
English
Noun
The quality of being bad.
Synonyms
* See
suckiness
English
Noun
(-)
(slang) The state or condition of being sucky; inferiority or badness.