Stepbrothers, also known as step siblings, are related by the marriage of their respective parents. Other synonyms for stepbrothers include blended brothers, bonus brothers, patchwork brothers, non-biological brothers, part brothers, and half-brothers. Blended brothers and bonus brothers convey the idea that these siblings have been added to the family through the remarriage of one or both of their parents, while patchwork brothers suggest a family dynamic that is made up of different elements. Non-biological brothers and part brothers emphasize the fact that these siblings do not share the same biological parents, while half-brothers indicate that they share only one biological parent. Ultimately, all these synonyms highlight the idea that despite not sharing the same blood, stepbrothers share a strong bond and familial connection.