Breaking smithereens is an expression used to describe something that has been shattered into small pieces. Some commonly used synonyms for this phrase include: shattered, broken into bits, smashed to pieces, fragmented, and pulverized. Other descriptive phrases you could use include: torn to shreds, split apart, ripped to pieces, and blown apart. When something is broken into smithereens, it usually implies that it was completely destroyed or obliterated. This phrase is often used to describe objects like glass or pottery that have been dropped or shattered, but can also be used figuratively to describe emotional or mental states that have been shattered or destroyed.