adj.incapable of being sunk

"they thought the Titanic was unsinkable"

UNSINKABLE
UNSINKABLE
Unsinkable
The unsinkable Project MATCH
America's Unsinkable Fleet
Titanic remembered : the unsinkable ship and Halifax
Safety device for rendering a boat unsinkable
Unsinkable Bukhara Ark:On the Soul Salvation in A.Varlamov's Novel The Sunken Ark
The sinking of the unsinkable Titanic: Mental inertia and coordination failures
Families with Chronically Ill Young Children: The Unsinkable Family.
Living on water: a floating town on an unsinkable foundation ¿ complete with gardens, streets, and squares
Wettable and Unsinkable: The Hydrodynamics of Saccate Pollen Grains in Relation to the Pollination Mechanism in the Two New Zealand ...
Cloud Computing with DNA Cognitive Architecture in the Context of Turing's "Unsinkable"Titanic Machine