A devoted friend is someone who is loyal, dedicated, and committed to their friendship. Synonyms for a devoted friend include steadfast, faithful, true-blue, reliable, dependable, and trustworthy. A steadfast friend will never waver in their support and will always be there through thick and thin. A faithful friend is someone who you can count on to always be there when you need them. A true-blue friend is genuine and authentic in their friendship, and a reliable friend is someone you can consistently rely on. Lastly, a trustworthy friend is someone who you can confide in and trust to always have your best interest in mind.