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

• Lexulous
• Wordscraper
• Wordosaur

v. To reverse or erase; annul: impossible to undo the suffering caused by the war.

v. To untie, disassemble, or loosen: undo a shoelace.

v. To open (a parcel, for example); unwrap.

v. To cause the ruin or downfall of; destroy.

v. To throw into confusion; unsettle.

v. Obsolete To solve or interpret; unravel.

verb-intransitive. To come open or unfastened.

v. To reverse the effects of an action. syn.

v. To unfasten. ant. syn.

v. to be heading for or to cause a downfall

v. To reverse, as what has been done; to annul; to bring to naught.

v. To loose; to open; to take to piece; to unfasten; to untie; hence, to unravel; to solve.

v. To bring to poverty; to impoverish; to ruin, as in reputation, morals, hopes, or the like.

To leave unperformed or unexecuted: usually in opposition with do.

To put back into a former condition; reverse, as something which has been done; annul; bring to nought.

To untie or unfasten; unloose; unfix; open.

To find the answer or explanation of; solve.

To bring ruin or distress upon; ruin the morals, character, reputation, or prospects of; destroy; annihilate; spoil; ruin.

To reveal; disclose; unfold; explain.

To be too much for the power of; baffle.

v. deprive of certain characteristics

v. cancel, annul, or reverse an action or its effect

v. cause to become loose

v. cause the ruin or downfall of

v. remove the outer cover or wrapping of

"Leaving your parents out of your lives can result in undo stress, as then you will have to deal with their protests or their anquish over you."

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