list of synonyms of word hardness

• consistency (generic term)
• consistence (generic term)
• body (generic term)
• softness (antonym)

• unfeelingness
• callousness
• callosity
• insensibility
• insensitivity (generic term)
• insensitiveness (generic term)

• ruggedness
• difficulty (generic term)
• difficultness (generic term)

• severity
• severeness
• harshness
• rigor
• rigour
• rigorousness
• rigourousness
• inclemency
• stiffness
• sternness (generic term)
• strictness (generic term)