This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. Third-person singular simple present indicative form of undo.

"On third down, a delay of game call undoes the modest gains made on first and second."

undid    undoes    undoing    undone   

change    modify    alter    ruin    expose    uncover   

open    invalidate    ruin   

undone    undid   

destroy    destruct   

annul    loose    open    unfasten    untie    solve    impoverish    reverse    cancel   

Baku    Blue    Cebu    Chengdu    Chou    Chu    Crewe    Drew    Ewe    Few   

disorganization    downfall    perdition    ruination    subjugation    damnation    extirpation    alienation    discredit    demoralisation