neutralise has definitions from the fields of chemistry,military
1
[ verb ] make ineffective by counterbalancing the effect of

Examples

"Her optimism neutralizes his gloom" "This action will negate the effect of my efforts"

Related terms

weaken nullification

2
[ verb ] (military) make incapable of military action

Synonyms

neutralize

3
[ verb ] get rid of (someone who may be a threat) by killing

Examples

"The mafia liquidated the informer" "the double agent was neutralized"

Related terms

kill elimination

4
[ verb ] (chemistry) make chemically neutral

Synonyms

neutralize

Examples

"She neutralized the solution"

Related terms

change neutralisation

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