The question of how to express my username, Undo, in Latin recently came up in chat. As Ben Kovitz notes, Latin seems to lack the word 'defacio' or similar.

How can I say my name, the verb "undo", in Latin?

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    Well, the reason the the word défació doesn't exist in Latin is that, as in many verbs with prefixes, the vowel changes, and défació becomes défició. I'm not an expert on these vowel changes, so I can't usefully opine on them, but perhaps somebody else can. That said, however, it's not clear to me that "undo" is a recognized meaning of défició. So I don't actually know the answer to your question. Commented Feb 28, 2016 at 0:14

1 Answer 1


You could use retexo, literally "unweave, unravel", but also used to mean the below:

B. Trop., to break up, cancel, annul, reverse

It depends a little bit on the context, though, what the best translation would be. Other candidates are restituo, resolvo, abrogo, rescindo, induco, evacuo, exinanio, eludo, libero...

Adjectives with a similar meaning include infectus, irritus...

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    Oooh, I vote for retexo, since its literal meaning is "unweave." Commented Feb 28, 2016 at 1:09
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    Nice list. Another possibility is "abrogo." Beyond the dictionary usages, I've heard "Scholae abrogatae sunt" (e.g. on a snow day).
    – fpsvogel
    Commented Feb 28, 2016 at 1:10
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    @fvogel: Excellent, I've added it.
    – Cerberus
    Commented Feb 28, 2016 at 1:12

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