: It means that once you commit to an action, you follow through regardless of the difficulty.
: Instead of making grand promises based on desired results, a person of their word makes promises about the specific actions they will take. The Importance of Personal Integrity Man Of My Word
At its core, the idiom describes someone who is . : It means that once you commit to
Keeping your word is the "essence of integrity" and a critical component of successful leadership. Man Of My Word
: While a good reputation is a byproduct, being a man of your word is about internal standards and reflecting a sense of personal honor.