Death'sheads refer to the skull and crossbones symbol that traditionally represents death and danger. There are a variety of synonyms that can be used in lieu of death'sheads, such as skull, bones, grim reaper, death icon, death emblem, and death symbol. These terms are often used in contexts that require the expression of death and danger. For example, the grim reaper is a commonly used synonym for death and is often used in literary works to represent death as a character. Overall, synonyms for death'sheads help to convey the idea of impending danger and mortality.