The word "shrimpier" refers to the comparative form of the adjective "shrimpy", which means small or weak. Its antonyms can be words such as stronger, larger, more muscular, more robust, or more substantial. These words denote qualities that are opposite to those of "shrimpier", indicating something bigger, stronger, or healthier. Among them, "beefier" and "brawnier " refer specifically to a muscular build, while "meatier" and "heftier" suggest a more substantial size or weight. "Mightier" and "sturdier" imply a greater power or resilience, while "heartier" points towards a more wholesome or satisfying quality. By using antonyms, we can describe things more precisely and avoid any ambiguity in our writing or speech.