impossibility 13 Associations

impossibleness nonexistence (generic term) nonentity (generic term) possibility (antonym)

impossibleness 14 Associations

impossibility nonexistence (generic term) nonentity (generic term) possibility (antonym)

inconceivability 16 Associations

inconceivableness impossibility (generic term) impossibleness (generic term)

inconceivableness 17 Associations

inconceivability impossibility (generic term) impossibleness (generic term)

unattainableness 16 Associations

impossibility (generic term) impossibleness (generic term)