instability: the state of anxiety caused by the inability to get what one wants

dissatisfaction, discontent, disapproval

lack of seriousness

not serious, nonchalant, trivial

To stamp (flat/hard), to tread.

unstable: anxious because of the inability to get what one wants

instability: the state of anxiety caused by the inability to get what one wants

to step on; to tread on; to walk on

ignore, disregard

a male given name