The antonyms for the word "resolute" are indecisive, tentative, hesitant, uncertain, and wavering. These words suggest a lack of determination and firmness of purpose. Indecisive people can't make up their minds, while tentative individuals are unsure of their decisions. Hesitant people are reluctant to act or speak, and uncertain individuals lack confidence in their abilities. Finally, wavering individuals fluctuate between different opinions or beliefs, unable to commit to one. It is essential to choose the right words to express ourselves accurately, particularly in situations where our attitude and demeanor can make a big difference in the outcome.