The Collaborative International Dictionary
Lability \La*bil"i*ty\, n.
Liability to lapse, err, or apostatize. [Archaic]
--Coleridge.The property of changing readily.
(Chem.) The property of being labile[3]; -- of chemical compounds; as, the lability of some natural products makes them difficult to isolate and identify.
Wiktionary
n. 1 (context uncountable English) The state of being labile. 2 (context countable English) A susceptibility to change; instability.
Wikipedia
Lability refers to something that is constantly undergoing change or something that is likely to undergo change.
Usage examples of "lability".
At the time ofBauzee or Condillac, the relation between roots, with their great lability of form, and the meaning patterned out of representations, or again, the link between the power to designate and the power to articulate, was assured by the sovereignty of the Name.