threshold:
a level above which something is true or will take place and below which it is not or will not
(Noun)
Example Sentences:
Ramayana: When Ravana rejected Vibhishana’s advice to return Sita and publicly humiliated the king taking his crown away, Vibhishana decided that their relationship had sunk below the threshold of viability.
Mahabharata: Vidura warned Dhritarashtra that his sons’ actions in attempts to disrobe Draupadi had been behaviour that was way below the threshold of acceptability.
Bhagavad-gita: Whenever we do anything that we know is bad, our conscience weakens – the threshold of the bad things that we may do goes down with each bad thing that we do.