1. in a way that completes or enhances something by providing what is lacking or needed
Usage: formal; often used in technical, scientific, or business contexts

Examples

• The two research teams worked complementarily, with one focusing on theory and the other on practical applications.
• Red and cyan colors function complementarily in digital displays to produce a full spectrum.
• The marketing and sales departments operated complementarily to achieve the company's growth targets.
• Their skills complementarily filled the gaps in the project team.
• The software and hardware components were designed to work complementarily for optimal performance.