modifier

noun
UK /ˈmɒdɪfaɪə/
US /ˈmɑːdɪfaɪər/

A word that changes or adds to the meaning of another word.

In the phrase 'very happy,' the word 'very' is a modifier.


OTHER MEANINGS

2. A person or thing that makes partial or minor changes to something.

The software modifier adjusted the settings to improve performance.

3. A substance added to a material to change its properties.

The polymer modifier made the plastic more flexible.

4. In computing, a key on a keyboard that changes the function of another key.

Hold the Shift modifier while pressing the letter to type a capital.