The phrase "in disposes" refers to a state of being uncomfortable or unfit for performing a task. Antonyms for in disposes, therefore, would be words that convey a state of being fit, capable, and ready. Some of the antonyms for in disposes include able, willing, prepared, fit, and healthy. Other words that convey readiness and ability include capable, potent, proficient, strong, and effective. In contrast, words that convey weakness and incapability, and hence antonyms for in disposes include powerless, weak, frail, infirm, and vulnerable. Knowing the antonyms for in disposes is essential for expressing oneself effectively while communicating and choosing the right words to convey a specific meaning.