adj.

Impossible to reverse: an irreversible momentum toward open revolution.

irreversibility ir're·vers'i·bil'i·ty or ir're·vers'i·ble·ness n.
irreversibly ir're·vers'i·bly adv.

adjective

That cannot be revoked or undone: irrevocable, unalterable. Idioms: beyond recall. See change/persist.

(ir'ēvur'sibil'itē)
n

Incapable of being returned to the original state.

Note: click on a word meaning below to see its connections and related words.

The adjective has 2 meanings:

Meaning #1: impossible to reverse or be reversed
  Antonym: reversible (meaning #1)

Meaning #2: impossible to reverse or undo

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Dansk (Danish)
adj. - uigenkaldelig, uoprettelig, uomstødelig, som ikke kan vendes, irreversibel

Nederlands (Dutch)
niet meer terug te draaien

Français (French)
adj. - irréversible, irrévocable, incurable

Deutsch (German)
adj. - unwiderruflich, irreversibel, selbstsperrend

Ελληνική (Greek)
adj. - αμετάκλητος, ανέκκλητος

Italiano (Italian)
irreversibile

Português (Portuguese)
adj. - irreversível

Русский (Russian)
необратимый

Español (Spanish)
adj. - irreversible, irrevocable

Svenska (Swedish)
adj. - oåterkallelig, ej omvändbar, irreversibel (fys. el. kem.)

中文（简体） (Chinese (Simplified))
不可逆的, 不能取消的, 不能翻转的, 不能倒置的

中文（繁體） (Chinese (Traditional))
adj. - 不可逆的, 不能取消的, 不能翻轉的, 不能倒置的

한국어 (Korean)
adj. - 거꾸로 할 수 없는, 취소할 수 없는

日本語 (Japanese)
adj. - 逆にできない, 撤回できない

العربيه (Arabic)
‏(صفه) يتعذر إلغاؤه‏

עברית (Hebrew)
adj. - ‮בלתי הפיך, שאין לבטלו, שאין להחזירו לאחור, בלתי-ניתן לשינוי‬

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