Solidness Synonyms and Antonyms

The quality of being solid and reliable financially or factually or morally
(Noun)
Synonyms:
  1. solidity
The quality of being substantial or having substance
(Noun)
Synonyms:
  1. substantiality
  2. substantialness
Antonyms:
  1. porosity
  2. insubstantiality
The state in which a substance has no tendency to flow under moderate stress; resists forces (such as compression) that tend to deform it; and retains a definite size and shape
(Noun)
Synonyms:
  1. solid
  2. solid state