nnoun.attributethe quality of being fixed in place as by some firm attachmentSynset:fastness fixedness fixture secureness
Antonyms:looseness
Derivationally Related Form:fixfixedfastsecure
Hypernyms:immovability immovableness
Inherited Hypernyms:fastnessimmovabilityimmobilityqualityattributeabstractionentity
Direct Hyponyms:lodgementlodginglodgment
nnoun.attributethe quality of being incapable of mutationSynset:immutability immutableness
Examples:- Darwin challenged the fixity of species
Antonyms:mutablenessmutability
Derivationally Related Form:immutable
Hypernyms:changelessness unchangeability unchangeableness unchangingness
Inherited Hypernyms:immutabilitychangelessnessqualityattributeabstractionentity
Direct Hyponyms:agelessnessunalterability
Full Hyponyms:agelessnessincurabilityunalterability