Indomitably is a word that describes the quality of being unyielding, unwavering, and determined in the face of adversity. Synonyms for this word could include steadfast, resolute, unconquerable, unwavering, persistent, undaunted, unflagging, unshakable, and tenacious. Each of these words carries a similar meaning to indomitably, indicating an individual who is not easily discouraged or defeated. Someone who is indomitably persistent in their pursuits will not be swayed by setbacks or obstacles, but will instead forge ahead with unwavering determination. These synonyms can be used interchangeably with indomitably to describe an individual who exhibits this type of character.