The word "unworthiest" is an adjective that describes something or someone who lacks value, merit, or deservingness. The antonyms of "unworthiest" are words that imply a sense of deservingness, value, or worthiness. For instance, the antonyms of "unworthiest" include "worthy," "deserving," "meritorious," and "exemplary." Other antonyms of "unworthiest" are "valuable," "honorable," "admirable," and "commendable." Using these words in context can add positivity and value to a sentence, which may help eliminate negativity or contempt. Antonyms of "unworthiest" can also be useful in building one's vocabulary and, more importantly, improving their use of the English language.