The difference between Abrogate and Undo

When used as verbs, abrogate means to annul by an authoritative act, whereas undo means to reverse the effects of an action.

Abrogate is also adjective with the meaning: abrogated.

Undo is also noun with the meaning: an operation that reverses a previous action.

check bellow for the other definitions of Abrogate and Undo

  1. Abrogate as a verb (transitive):

    To annul by an authoritative act; to abolish by the authority of the maker or her or his successor; to repeal; — applied to the repeal of laws, decrees, ordinances, the abolition of customs, etc.

  2. Abrogate as a verb (transitive):

    To put an end to; to do away with.

  3. Abrogate as a verb (molecular biology, transitive):

    To block a process or function.

  1. Abrogate as an adjective (archaic):

    Abrogated; abolished.

  1. Undo as a verb:

    To reverse the effects of an action.

    Examples:

    "Fortunately, we can undo most of the damage to the system by the war."

  2. Undo as a verb:

    To unfasten.

    Examples:

    "Could you undo my buckle for me?"

  3. Undo as a verb (figuratively):

    To impoverish or ruin, as in reputation; to cause the downfall of.

  1. Undo as a noun (computing):

    An operation that reverses a previous action.

    Examples:

    "How many undos does this program support?"

  1. Undo as an adjective:

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