Indissoluble/ˌɪndɪˈsɑːljəbl/ Definition 1 of 2Pro Tip 1/3Strong Bonds Use 'indissoluble' to emphasize the strength and permanence of relationships or connections. Marriage is often seen as an indissoluble bond. Pro Tip 2/3Beyond Destruction Emphasizes the idea that something cannot be destroyed, even by powerful forces. The ancient ruins proved to be indissoluble against time and weather. Pro Tip 3/3Metaphorical Use Often used metaphorically to describe concepts rather than physical objects. Their friendship was indissoluble, surviving every challenge.