Not to be altered; immutable:
The definition of permanent is someone or something that is supposed to last for a very long time.
Not destructible; that cannot be destroyed
Capable of being reduced.
Not subject or susceptible to change.
That cannot be revoked, recalled, or undone; unalterable
Not extinguishable; that cannot be quenched, put out, or stopped
Of, being, or serving as a starting point or basis:
(Physics) Designating or of a fundamental
Marked by or indicating the tone and resiliency of healthy tissue:
Find another word for irreducible. In this page you can discover 22 synonyms, antonyms, idiomatic expressions, and related words for irreducible, like: unchangeable, imperishable, permanent, invariant, indestructible, isomorphism, reducible, irreducibility, incapable of being diminished, immutable and irrevocable.