Adjective Usage and Examples | Grammarly
https://www.grammarly.com/blog/adjective14.01.2021 · When nouns become adjectives and adjectives become nouns. One more thing you should know about adjectives is that, sometimes, a word that is normally used as a noun can function as an adjective, depending on its placement. For example: Never try to pet someone’s guide dog without asking permission first. Guide is a noun.