The antonyms for the word "most contending" include words like inactive, indifferent, uncompetitive, unassertive, and unambitious. Inactive means a lack of energy or enthusiasm, lacking movement or action. Indifferent means having no particular interest or sympathy; unconcerned. Uncompetitive implies not involving competition; having no desire to compete. Unassertive means hesitating or unsure in asserting oneself; lacking confidence. Unambitious means lacking any real desire or effort to achieve success or distinction. These words describe a completely different attitude than being fully engaged and motivated to compete with others, which is what "most contending" connotes.