undone

¹ American  

[uhn-duhn] / ʌnˈdʌn /

adjective

1. not done; not accomplished or completed.

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undone ² American  

[uhn-duhn] / ʌnˈdʌn /

verb

1. past participle of undo.

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adjective

1. brought to destruction or ruin.

2. unfastened.

undone ¹ British  

/ ʌnˈdʌn /

adjective

1. ruined; destroyed

2. unfastened; untied

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undone ² British  

/ ʌnˈdʌn /

adjective

1. not done or completed; unfinished

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Etymology

Origin of undone¹

First recorded in 1250–1300; un- ¹ ( def. ) + done ( def. )

Origin of undone²

First recorded in 1300–50, for the adjective; un- ² ( def. ) + done ( def. )

Example Sentences

But give most robots a needle and thread, and they would probably come undone.

From BBC • May 18, 2026

Now, Rose felt the pressure - coming undone at Amen Corner's 11th and 12th holes - as McIlroy proved he truly was unburdened.

From BBC • Apr. 12, 2026

The memory trade had been coming undone in recent weeks, but it now looks to be back on in a big way following the announcement of a two-week cease-fire agreement with Iran.

From MarketWatch • Apr. 8, 2026

The memory trade had been coming undone in recent weeks, but it now looks to be back on in a big way following the announcement of a two-week cease-fire agreement with Iran.

From The Wall Street Journal • Apr. 8, 2026

I went to unlatch the lock to the henhouse but it was already undone, the door cracked ajar.

From "Gone Crazy in Alabama" by Rita Williams-Garcia