Self-devotion is the act of dedicating oneself to a cause or goal with utmost sincerity and conviction. There are various synonyms for this term, each with a unique connotation. Some of the synonyms include commitment, dedication, fidelity, loyalty, steadfastness, devotion, allegiance, and faithfulness. These words signify a person's unwavering promise to something or someone. They imply a guarantee and assurance of perseverance and determination toward achieving a particular objective. Self-devotion is a commendable attribute that often requires personal sacrifice and a high level of discipline. Whichever synonym is used, self-devotion is a great way to demonstrate a commitment to a cause and achieve success.