ondoordringbaar (bn):
impénétrable(en) extremely strong.
(en) preventative of any penetration; impenetrable, impermeable., dur comme de la pierre(en) extremely strong., imperméable(en) preventative of any penetration; impenetrable, impermeable., inattaquable(en) of a fortress or other fortified place: able to withstand all attacks.
ondoordringbaar (zn):
impénétrable(en) not penetrable.
cached Via: Dbnary en WikiWoordenboeken
Via: Memodata.com