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- pronunciation:
- uhn
du
- features:
- Homophone Note, Word Parts
| part of speech: |
transitive verb |
| inflections: |
undoes, undoing, undid, undone |
| definition 1: |
to release, unfasten, or unwrap (a button from a buttonhole, a catch or lock, string tied around a package, or the like).
- antonyms:
- fasten
- similar words:
- loose, loosen, release
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| definition 2: |
to reverse or nullify.
He undid the good that others had done.- similar words:
- abrogate, annihilate, neutralize, rescind, reverse, vitiate
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| definition 3: |
to ruin or destroy (a person's fortune, reputation, mental well-being, or the like).
- similar words:
- ruin
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| related words: |
annul, counteract, frustrate, quash, spring, void |
Are you looking for the word undue (too much)? Undo and undue sound alike but have different meanings.
The word undo
contains the following part:
un-2
Old English
prefix
that means reverse (an action)
  More about this word part:
The prefix un-2 attaches to verbs.
Example words:
- synonyms:
- de-, dis-
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