1. people who do not respond to a treatment, medication, or intervention
Usage: medical; scientific
2. people who do not reply to surveys, questionnaires, or requests for information
Usage: research; statistical

Examples

• The study identified several nonresponders to the new cancer therapy.
• Researchers had to account for nonresponders when analyzing the survey data.
• About 30% of patients were nonresponders to the antidepressant medication.
• The poll’s accuracy was affected by the high number of nonresponders.
• Doctors are studying why some patients are nonresponders to standard treatments.
• The research team contacted nonresponders multiple times to improve participation rates.