Proof-proof
Proof"-proof`\, a. Proof against proofs; obstinate in the wrong. "That might have shown to any one who was not proof-proof." --Whateley.| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
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