Antonyms of noun solidity

2 of 3 senses of solidity

Sense 1
solidity, solidness -- (the consistency of a solid)
       Antonym of porosity (Sense 1)
      => porosity, porousness -- (the property of being porous; being able to absorb fluids)

Sense 2
solidity -- (state of having the interior filled with matter)
       Antonym of hollowness (Sense 1)
      => hollowness -- (the state of being hollow: having an empty space within)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun solidity

3 senses of solidity

Sense 1
solidity, solidness -- (the consistency of a solid)
       => consistency, consistence, eubstance, body -- (the property of holding together and retaining its shape; "wool has more body than rayon"; "when the dough has enough consistency it is ready to bake")

Sense 2
solidity -- (state of having the interior filled with matter)
       => fullness -- (the condition of being filled to capacity)

Sense 3
solidity, solidness -- (the quality of being solid and reliable financially or factually or morally; "the solidity of the evidence worked in his favor"; "the solidness of her faith gave her enduring hope")
       => dependability, dependableness, reliability, reliableness -- (the quality of being dependable or reliable)