Staunch friends are those who are devoted, loyal, and trustworthy. These types of friends are someone who always has your back, no matter what. One synonym for staunch friends is steadfast. Steadfast friends are those who are firm in their loyalty and commitment to their friends. Another synonym for staunch friends is dependable. A dependable friend is someone you can count on when you need them the most. Another word that can be used as a synonym for staunch friends is reliable. A reliable friend is someone who can be trusted to be there for you when you need them. Ultimately, staunch friends are those who stand by you, no matter what life may throw your way.