Shrapnels are small pieces of metal or other material that are scattered around after an explosion or projectile detonation. Synonyms for shrapnels include fragments, debris, shatters, splinters, bits, and pieces. These words can be used interchangeably depending on the context of the sentence. While the word shrapnel specifically denotes a metal fragment, the other synonyms could refer to any type of material that is scattered after an impact. It is important to use the appropriate word to convey the accurate meaning of the sentence, and understanding the synonyms can help writers achieve this.