The Clue
Render null (4 letter answer)
The Answer
UNDO
Tags
Notes
The answer UNDO is seen frequently, appearing about once every 80 puzzles.
Related Clues
Annul
Cancel
Destroy
Disassemble
Erase
Loosen
Nullify
Open
Reverse
Ruin
Wreck
Bring to naught
Bring to ruin
Destroy or seduce
Edit command
Loosen a knot
Pull strings?
Remove a knot
Reverse an act
Reverse, as an action
Set at naught
Strike down
Take apart
Choice on an Edit menu
Word processor command
Word processor option
"Go back" computer command
Definition
UNDO as a verb:
1. cancel, annul, or reverse an action or its effect; "I wish I could undo my actions"
2. (unmake, undo) = deprive of certain characteristics
3. cause the ruin or downfall of; "A single mistake undid the President and he had to resign"
4. (untie, undo, loosen) = cause to become loose; "undo the shoelace"; "untie the knot"; "loosen the necktie"
5. (unwrap, undo) = remove the outer cover or wrapping of; "Let's unwrap the gifts!"; "undo the parcel"