The term "small bits" can be replaced by numerous opposite words in the English language. Some of the antonyms for "small bits" are large pieces, huge chunks, whole portion, substantial sections, ample fragments, sizeable portions, generous slices, and bulky sections. These antonyms are often used in the description of food items, physical objects, and materials. For instance, when talking about food, "small bits" can be replaced by "large pieces" of meat or vegetables. Similarly, when discussing construction materials, "small bits" could be replaced by "substantial sections" of concrete or steel. Using antonyms for "small bits" can enhance the clarity, accuracy, and richness of your language.