1. to involve mutually or reciprocally; to engage two or more parties in a shared involvement or entanglement
Usage: formal; rare; typically used in academic or technical contexts

Examples

• The two companies' financial interests interinvolves them in a complex partnership.
• The scandal interinvolves multiple government agencies in the investigation.
• Their personal and professional lives interinvolves them in ways that complicate their relationship.
• The treaty interinvolves the nations in mutual defense obligations.
• The ecosystem's species interinvolves them in a delicate balance of predator and prey.