What's the adjective for bombmaker? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs bomb and bombard which may be used as adjectives within certain contexts.
bombproof
Sufficiently strong to resist the effects of a blast from a bomb.
“The bombproof shelter was designed with reinforced concrete walls and a thick steel door, ensuring it would be able to withstand the force of any bomb blast.”