Indestructible means impossible to break or wear out. An indestructible toy, virtually indestructible, indestructible spirit.
It is a claim about durability and is nearly always an exaggeration, since virtually indestructible is what the packaging says and children are famously the test. Applied to a person it means a spirit nothing has managed to break.
1adjectiveindestructibleImpossible to break or wear out.
“The old farm tractor seemed indestructible and kept running for fifty years.”
indestructible is a quality.
From in- + destructible.
Etymology from Wiktionary, CC BY-SA