English

edit

Etymology

edit

thunder +‎ -proof

Adjective

edit

thunderproof (comparative more thunderproof, superlative most thunderproof)

  1. Secure against the effects of thunder or lightning.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for thunderproof”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)