neutralize
Definitions
To render something ineffective or harmless by applying an opposite force or effect.
To make a chemical substance chemically inactive by balancing its acidity or alkalinity.
To remain impartial or uninvolved in a conflict or dispute.
Examples
The police used a special team to neutralize the threat posed by the armed suspect.
Adding a base to the acidic solution will help to neutralize its pH level.
Synonyms
counteract nullify offset negate cancel out invalidate render ineffective
Antonyms
activate intensify strengthen encourage promote validate support