Irrevocable

Adjective

Definition: Not able to be changed, reversed, or revoked; final and unalterable.

Synonyms: Unchangeable, Irreversible, Permanent

Antonyms: Revocable, Reversible, Changeable

Examples:

The decision to close the factory was irrevocable.
Once signed, the contract becomes irrevocable.

Mnemonics:

Think of the prefix "ir-" meaning "not" or "without," combined with "revocable" meaning "able to be revoked or changed" to understand the meaning of "irrevocable" as "not able to be changed."

Etymology:

Origin:

The word "irrevocable" originates from the Latin word "irrevocabilis," which is formed by combining the prefix "in-" meaning "not" and the verb "revocare" meaning "to call back or repeal."

Historical Usage:

The term "irrevocable" has been used in English since the early 17th century to describe something that cannot be revoked or changed.

Related Idioms:

Idiom:

"Irrevocable trust"

Explanation:

Refers to a legal arrangement where assets are permanently transferred to a trust and cannot be revoked or taken back by the grantor.

Misconceptions:

Misconception:

Confusing "irrevocable" with "reversible."

Explanation:

While "reversible" implies that something can be changed or undone, "irrevocable" suggests the opposite, indicating that a decision, action, or state cannot be reversed or altered.