Angustation is a term used to describe the feeling of being constricted or restricted. There are several synonyms for this word that can be used interchangeably to describe this feeling. The term "narrowness" is often used to describe the same sensation of tightness or restriction. Another similar term is "confinement," which describes the feeling of being trapped or enclosed. Similarly, the term "restriction" describes the sensation of being held back or limited in some way. Other synonyms for angustation include "tension," "tightness," and "compression." Regardless of which word you use, each one conveys a sense of constraint and lack of freedom in some way.