Not to be altered; immutable:
Made to withstand repeated use over a relatively long period, usually several years or more:
Lasting; continuing; durable:
The definition of immutable is not able to be changed.
Secure from violation or profanation:
Persisting for an extended period of time.
Not readily subject to spoilage or decay.
Strong but pliant; that will bend, twist, etc. without tearing or breaking
Extremely durable; permanent.
Lacking physical or emotional strength; delicate:
That can be destroyed; subject to destruction
Liable to break or to be broken.
Having a short lifespan or a short annual period of aboveground growth. Used especially of plants.
That may perish; esp., liable to spoil or deteriorate, as some foods
The definition of permanent is someone or something that is supposed to last for a very long time.
Persuasive, effective, and cogent:
Find another word for indestructible. In this page you can discover 25 synonyms, antonyms, idiomatic expressions, and related words for indestructible, like: immortal, unchangeable, permanent, durable, strong, adamantine, fragile, enduring, destructible, everlasting and immutable.