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1. 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
   - solid, solid state
    
2. The consistency of a solid
   - solidity
    
3. The quality of being substantial or having substance
   - substantiality, substantialness
    
4. The quality of being solid and reliable financially, factually or morally
   "the solidness of her faith gave her enduring hope";
   - solidity

See also: insubstantial, material, real, substantial, unreal, unsubstantial

Type of: body, consistence, consistency, corporality, corporeality, dependability, dependableness, materiality, physicalness, reliability, reliableness, state, state of matter, substance

Antonym: porosity

Encyclopedia: Solidness