adjective
An adjective is a word that describes or modifies a noun or pronoun. In this case, 'unloyal' is an adjective that describes someone who is not loyal or faithful.
-
The unloyal employee was eventually let go due to their lack of commitment to the company.
-
I can't believe she's being so unloyal to her best friend.
-
He's so unloyal, always talking behind people's backs.
-
The unloyal thread in the fabric of their friendship slowly unraveled over time.