Returning quickly to original shape after force is applied; elastic.
Having the ability to absorb energy when deformed.
Having the ability to recover from mental illness, trauma, etc.; having resilience.
Returning quickly to normal after damaging events or conditions.
Not held firmly in position, physically unstable.
Inconstant in purpose, or volatile in behavior.
Lacking regularity or uniformity.
To render unsteady, removing balance.