The word "unworthiest" implies the lack of worth or value. Therefore, its antonyms will be those words that describe high worth, value, and excellence. Some examples of antonyms for "unworthiest" include valuable, worthy, excellent, superior, top-notch, first-rate, and commendable. These words describe something or someone that is highly regarded and respected. Another set of antonyms for "unworthiest" include deserving, meritorious, accomplished, proficient, and qualified. These words suggest that something or someone has worked hard and deserves to be recognized and rewarded for their efforts. In essence, the antonyms for "unworthiest" represent the opposite of inferiority, mediocrity, or low esteem.