Meaning of the word prescriptive in English

What does prescriptive mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

prescriptive

US /prɪˈskrɪp.tɪv/
UK /prɪˈskrɪp.tɪv/

Adjective

relating to the imposition or enforcement of a rule or method

Example:
The teacher's approach to grammar was very prescriptive, insisting on strict adherence to rules.
Many language guides are prescriptive, telling you how language 'should' be used.