The phrase "am devoted to" indicates a strong sense of commitment towards a particular goal, activity, or individual. Some common synonyms for this phrase include "dedicated to," "committed to," "loyal to," "passionate about," "attached to," "obsessed with," and "fond of." Each of these synonyms highlights a different aspect of the original phrase, but they all share the common thread of indicating unwavering devotion. Whether it's being devoted to a cause, a hobby, or a partner, using these synonyms allows for a more varied and nuanced expression of one's commitment and dedication.