negator

/nɪˈɡeɪtər/
noun
  1. A word or phrase that expresses denial, refusal, or the opposite of something; a negative word like 'no', 'not', or 'never'.
    • The teacher explained that 'never' acts as a negator in a sentence.
    • English uses 'no' as a common negator before nouns.
    • In the sentence 'I do not agree,' the word 'not' is a negator.
  2. A person or thing that denies, cancels, or opposes something.
    • In the debate, she played the role of a negator, challenging every point.
    • He was known as a negator of every new idea the team proposed.
    • The lawyer acted as a negator, rejecting all the claims in the lawsuit.
Antonyms
What does "negator" mean? | whatsthatwordmean | whatsthatwordmean