1. (noun) the quality of being fixed in place as by some firm attachment

• fastness
• fixedness
• fixture
• secureness

2. (noun) the quality of being incapable of mutation

• immutability
• immutableness

1. (noun) the quality of being fixed in place as by some firm attachment

• lodgement
• lodging
• lodgment

2. (noun) the quality of being incapable of mutation

• agelessness
• unalterability

1. (noun) the quality of being fixed in place as by some firm attachment

• immovability
• immovableness

2. (noun) the quality of being incapable of mutation

• changelessness
• unchangeability
• unchangeableness
• unchangingness

1. (noun) the quality of being fixed in place as by some firm attachment

• fast
• firm
• immobile
• fasten
• fix
• secure
• fixed
• frozen
• fixed
• fixed
• fixed
• rigid
• set
• secure

2. (noun) the quality of being incapable of mutation

• changeless
• changeless
• immutable
• immutable

1. (noun) the quality of being fixed in place as by some firm attachment

• looseness

2. (noun) the quality of being incapable of mutation

• mutability
• mutability
• mutableness
• mutableness