English dictionary

irreversible

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Definitions, examples, synonyms and antonyms from WordNet 3.0.

adjective

incapable of being reversed

adj.all

Examples
Irreversible momentum toward revolution.

Antonyms reversible

Source: WordNet 3.0
Incapable of being reversed or turned about or back; incapable of being made to run backward; as, an <i>irreversible</i> engine.

adjective

Source: webster1913