Fractureproof is a term that is used to describe something that is resistant to breakage or damage. Some synonyms for this word include unbreakable, shatterproof, solid, sturdy, and durable. These words all convey a sense of strength and resilience, and can be used to describe a wide range of objects, from glassware to buildings. Whether you are looking for synonyms for "fractureproof" to use in everyday conversation or in your writing, these words are sure to convey the idea of something that is virtually indestructible. So the next time you need to describe something that is tough and reliable, consider using one of these synonyms for "fractureproof".