1. on both sides; affecting or involving two sides equally
2. in a way that involves two parties, countries, or groups working together
Usage: diplomatic; political

Examples

• The patient suffered bilaterally reduced hearing in both ears.
• The two countries agreed to reduce tariffs bilaterally.
• Her knee pain affected her bilaterally, making walking difficult.
• The trade agreement was negotiated bilaterally between the nations.
• The brain damage occurred bilaterally in both hemispheres.
• They decided to approach the problem bilaterally rather than involving other parties.