The term "more fracturable" refers to something that is easily broken, shattered, or split into pieces. Its antonyms are words that describe objects or materials that are hard, tough, or durable. These antonyms are indicative of resistance to breaking under force or pressure. Examples of antonyms for the word "more fracturable" include unbreakable, indestructible, sturdy, durable, and solid. These words describe things that can withstand a considerable amount of stress or strain without cracking, breaking, or yielding. Such antonyms are often used in the context of engineering and construction, where the strength and durability of a material or structure are of utmost importance.