1. in a way that is harmful, unfavorable, or negative

Examples

• The drought adversely affected crop yields this year.
• Her illness adversely impacted her performance at work.
• The new regulations may adversely influence small businesses.
• Smoking adversely affects your health in many ways.
• The economic downturn adversely affected employment rates.
• Poor lighting can adversely impact student learning.
• The medication adversely reacted with her other prescriptions.