'Instable' definitions:
- Instable \In*sta"ble\, a. [L. instabilis: cf. F. instable. See
In- not, and Stable, a., and cf. Unstable.]
Not stable; not standing fast or firm; unstable; prone to
change or recede from a purpose; mutable; inconstant.
[1913 Webster]
Words containing 'Instable'