Antonyms of noun stability

2 of 3 senses of stability

Sense 1
stability, stableness -- (the quality or attribute of being firm and steadfast)
       Antonym of instability (Sense 4)
      => instability, unstableness -- (the quality or attribute of being unstable and irresolute)

Sense 2
stability -- (a stable order (especially of society))
       Antonym of instability (Sense 1)
      => instability -- (an unstable order)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun stability

3 senses of stability

Sense 1
stability, stableness -- (the quality or attribute of being firm and steadfast)
       => steadiness, firmness -- (the quality of being steady or securely and immovably fixed in place)

Sense 2
stability -- (a stable order (especially of society))
       => order -- (established customary state (especially of society); "order ruled in the streets"; "law and order")

Sense 3
constancy, stability -- (the quality of being enduring and free from change or variation; "early mariners relied on the constancy of the trade winds")
       => changelessness, unchangeability, unchangeableness, unchangingness -- (the quality of being unchangeable; having a marked tendency to remain unchanged)