Meaning : The quality of being fixed in place as by some firm attachment.
Synonyms : fastness, fixedness, fixture, secureness
The quality of movability by virtue of being free from attachment or other restraints.
loosenessMeaning : The quality of being incapable of mutation.
Example :
Darwin challenged the fixity of species.
Synonyms : immutability, immutableness
Fixity meaning in Bengali (Bangla).