glossaries package FAQ
The font can be changed by redefining
\glstextformat which takes one argument (the text to be displayed). For example, if you want all your glossary terms to appear in bold, you can do:
If you are using glossaries-extra, you can also make adjustments using category attributes. See Gallery: Mixing Styles for an example.
Alternative link: https://www.dickimaw-books.com/faq.php?itemlabel=glstextformat