Definition of "bombproof" [bomb•proof]

• Designed and constructed to resist destruction by a bomb. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Her bombproof is three inches thick, and is made of wrought iron."
• "Her bombproof is three inches thick, and is made of wrought Iron."
• "I haven't purchased the Picatinney tactical rings and bases, but they look relatively "bombproof" for bolt actions of thirty caliber or greater."