1. present participle of preunite; to unite or join together beforehand or in advance
Usage: rare; formal

1. occurring or existing before a union or joining takes place
Usage: rare; formal

Examples

• The preuniting discussions between the two organizations laid the groundwork for their merger.
• They spent months preuniting their separate databases before the official consolidation.
• The preuniting phase involved careful planning and coordination.
• Preuniting efforts helped ensure a smooth transition when the companies finally merged.