Part of speech:
That cannot be revoked or undone
That cannot be revoked, recalled, or undone; unalterable
Not to be altered; immutable:
Remaining steady in affections or loyalties; faithful
Of or relating to a process, such as a chemical reaction or a phase change, in which the system undergoing the process can be returned to its original state.
Firm or determined; unwavering.
Impossible to alter:
Find another word for irreversible. In this page you can discover 15 synonyms, antonyms, idiomatic expressions, and related words for irreversible, like: change, irrevocable, unchangeable, constant, reversible, invariable, resolute, beyond recall, irreversibly, irreparable and inevitable.