To take apart into its constituent pieces; SYN. dismantle, take apart, break up, break apart.

1. To deny the existence or truth of
2. To cause to be ineffective or invalid
3. To prove negative; show to be false; SYN. contradict.

1. To disconnect the pieces of; disassemble
2. To treat roughly or harshly; tear into

ETYM as. undoen. Related to Un-, and Do to perform.
(Irregular preterit, past participle: undid, undone).
1. To cancel or reverse an action or its effect.
2. To make undone; revert to the original condition or situation.

1. To become undone or untied
2. To cause to become undone

To remove from its packing; SYN. take out.

To remove the outer cover or wrapping of