retrenchment

noun6

1. •
   A curtailment or reduction.

   • And the retrenchment of services such as mental health and drug rehabilitation means that vulnerable people are more likely to find themselves on the street. — 2018
2. •
   An act of reducing expenses; economizing.

   • Must my anxious management, my prudent retrenchments, dear Margaretta's savings, all go! — 1838
3. •
   The adoption of a defensive and hostile posture; refusal to compromise, radicalization.

   • While Kim Jong-un has experimented with such reforms, the character of the young leader’s reign has been one of traditionalist retrenchment and the cult of personality. — 2017
4. •
   An act of terminating the employment of a worker or making an employee redundant, often to reduce expenses; a layoff.
5. •
   Withdrawal.
6. •
   (old-fashioned) A defensive work constructed within a fortification to make it more defensible by allowing defenders to retreat into and fight from it even after the enemy has taken the outer work.