If you're disloyal, you're not faithful or trustworthy — you can't be depended on by those who put their trust in you. It would be disloyal to join in with a group of people gossiping about your best friend. ... A disloyal sibling tattles on his brothers and sisters, and a disloyal friend won't keep your secrets.

Who is a disloyal person?

(dɪslɔɪəl ) adjective. Someone who is disloyal to their friends, family, or country does not support them or does things that could harm them. She was so disloyal to her deputy she made his position untenable. [

Can you be disloyal to yourself?

It means being true to yourself

You can't be loyal unless you're honest with yourself first. When you're disloyal with your partner, you're just fooling yourself, and it doesn't matter how good you are at denying it. You have to be transparent, honest, and loyal to yourself, in order to be truly loyal to your partner.