Enter a clue or pattern or both:
The Clue
Invalidate (7 letter answer)
The Answer
NULLIFY
Tags
Notes
The answer NULLIFY is so rare that it appears less than once every 2500 puzzles.
Related Clues
Efface
Definition
NULLIFY as a verb:
1. (invalidate, annul, quash, void, avoid, nullify) = declare invalid; "The contract was annulled"; "void a plea"
2. (invalidate, nullify) = show to be invalid
3. (neutralize, neutralise, nullify, negate) = make ineffective by counterbalancing the effect of; "Her optimism neutralizes his gloom"; "This action will negate the effect of my efforts"