1. in a way that cannot be refuted or contradicted; conclusively

Examples

• The evidence unanswerably proved his innocence.
• She argued unanswerably that the policy was flawed.
• The data unanswerably demonstrated the treatment’s effectiveness.
• His logic was unanswerably sound.
• The witness testimony unanswerably contradicted the defendant’s story.
• The research unanswerably established the connection between the variables.