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Definition of Thunderproof
1. a. Secure against the effects of thunder or lightning.
Definition of Thunderproof
1. Adjective. Secure against the effects of thunder or lightning. ¹
¹ Source: wiktionary.com
|  | 
1. a. Secure against the effects of thunder or lightning.
1. Adjective. Secure against the effects of thunder or lightning. ¹
¹ Source: wiktionary.com