Impuissant is a French word that translates to "powerless" or "lacking strength." Its antonyms, on the other hand, are words that convey the opposite meaning. Some of the antonyms for impuissant include puissant, mighty, powerful, strong, capable, etc. These words are often used to describe individuals who have the ability to exert their influence or exert control over others. In contrast, impuissant is often used to describe those who lack the strength or power to make a significant impact. It is crucial to understand the antonyms for this word to accurately express an individual's capabilities and strengths.