negator

Noun

One that denies or refutes; a negater.
One who, or that which, negates.
A word (or other structural element) which causes negation (such as the word not in English).

Examples

As the self-proclaimed negator of bad plays, he always pointed out errors.

Origin / Etymology

From negate + -or, or directly from Latin negātor.

Scrabble Score: 8

negator: valid Scrabble (US) TWL Word
negator: valid Scrabble Word in Merriam-Webster MW Dictionary
negator: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 10

negator: valid Words With Friends Word