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We found 7 dictionaries with English definitions that include the word thunderproof: Click on the first link on a line below to go directly to a page where "thunderproof" is defined. General (7 matching dictionaries) thunderproof: Wordnik [home, info] Thunderproof: Dictionary.com [home, info] Thunderproof: Online Plain Text English Dictionary [home, info] thunderproof: Webster's Revised Unabridged, 1913 Edition [home, info] Thunderproof: AllWords.com Multi-Lingual Dictionary [home, info] thunderproof: Free Dictionary [home, info] Thunderproof: Dictionary/thesaurus [home, info]

Quick definitions (thunderproof) (a.) Secure against the effects of thunder or lightning. (This definition is from the 1913 Webster's Dictionary and may be outdated.)