The difference between Button up and Undo

When used as verbs, button up means to fasten with a button or buttons, whereas undo means to reverse the effects of an action.


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

check bellow for the other definitions of Button up and Undo

  1. Button up as a verb (transitive):

    To fasten with a button or buttons.

    Examples:

    "Button up your shirt cuff. It has come undone"

  2. Button up as a verb (intransitive):

    To fasten all the buttons on a coat, or similar item of clothing, to keep warm.

    Examples:

    "Button up well. It's freezing outside today."

  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: