unburstable

English

Etymology

un- +‎ burstable

Adjective

unburstable (not comparable)

1. Impossible to burst; not burstable.
   • 1914, The Horseless Age, volume 33, page 635:

     An interesting demonstration of the qualities of the Searle unburstable inner tube, the product of the Searle Unburstable Tube Co., Ltd., Birmingham, England, was made […]

Translations

impossible to pop

• French: increvable (fr)