D defs.my
Entry 1 sense Webster, 1913

Instable

· In·sta·ble · IPA
01 a. Not stable; not standing fast or firm; unstable; prone to change or recede from a purpose; mutable; inconstant.
  1. 1.
    Not stable; not standing fast or firm; unstable; prone to change or recede from a purpose; mutable; inconstant.