The word inter-locking refers to something that is intricately connected or interwoven together. Synonyms for inter-locking include interconnecting, interrelated, interdependent, intertwined, meshing, and interlaced. These words can be used to describe the relationship between two or more objects, systems, or processes that work together to create a cohesive whole. They can also be used to describe the functional or structural components that are connected together in a seamless, efficient, and effective way. In short, these synonyms for inter-locking help to highlight the interconnectedness of various things and the importance of collaboration and cooperation in achieving success.