prove negative

Examples (10)

• The antibody test proved negative.
• The initial blood tests proved negative for any serious infection.
• After extensive searching, the evidence proved negative.
• The experiment's outcome proved negative, indicating no significant effect.
• All screenings for the new virus proved negative among the community.
• Their hypothesis about the anomaly proved negative in repeated trials.
• The financial audit of the company's books proved negative for any fraudulent activity.
• The survey results proved negative regarding widespread public support for the new policy.
• Despite their best efforts, the search for additional survivors proved negative.
• The forensic analysis of the crime scene proved negative for matching fingerprints.