neutralize

verb

neu·​tral·​ize ˈnü-trə-ˌlīz 

ˈnyü-

neutralized; neutralizing

transitive verb

1

: to make chemically neutral

2

a

: to counteract the activity or effect of : make ineffective

propaganda that is difficult to neutralize

b

: kill, destroy

3

: to make electrically inert by combining equal positive and negative quantities

4

: to invest (a territory, a nation, etc.) with conventional or obligatory neutrality conferring inviolability during a war

5

: to make neutral by blending with the complementary color

6

: to give (a pair of phonemes) a nondistinctive form or pronunciation

\t\ and \d\ are neutralized when pronounced as flaps

intransitive verb

: to undergo neutralization

neutralizer noun

Synonyms

• annul
• cancel (out)
• compensate (for)
• correct
• counteract
• counterbalance
• counterpoise
• make up (for)
• negative
• offset

Examples of neutralize in a Sentence

The soldiers tried to neutralize the attack by dividing the invading army.

This medicine neutralizes stomach acids.

The lands between the warring countries were neutralized.

Recent Examples on the Web

And with Solis and Briana Webb — who led Piedmont with 19 points — attacking them inside and getting them in foul trouble, the Highlanders neutralized Tech’s size advantage. —Devin Bradshaw, The Mercury News, 5 Mar. 2025

But the United States will thrive only if Washington recognizes the danger of so many intersecting national fault lines and neutralizes these risks through patient and open-ended diplomacy. —Michael Kimmage, Foreign Affairs, 25 Feb. 2025

But a less acidic solution could minimize the cost to neutralize water and recycle it, Simons says. —IEEE Spectrum, 11 Feb. 2025

However, in Super Bowl LVII, Kansas City's offensive line, and the slippery field conditions neutralized that pass rush. —Yaakov Katz, Newsweek, 8 Feb. 2025

Word History

First Known Use

1744, in the meaning defined at transitive sense 1

Rhymes for neutralize

• advertise
• aggrandize
• agonize
• alibis
• alkalies
• alkalis
• amortize
• amplifies
• analyse
• analyze
• anywise
• authorize

Kids Definition

neutralize

verb

neu·​tral·​ize ˈn(y)ü-trə-ˌlīz 

neutralized; neutralizing

1

: to make chemically neutral

neutralize an acid with a base

2

: to make ineffective : nullify

neutralize an opponent's move

3

: to make electrically neutral by combining equal positive and negative quantities

4

: to make politically neutral

neutralize a country

neutralization

ˌn(y)ü-trə-lə-ˈzā-shən

noun

neutralizer

ˈn(y)ü-trə-ˌlī-zər

noun

Medical Definition

neutralize

verb

neu·​tral·​ize

variants also British neutralise

ˈn(y)ü-trə-ˌlīz 

neutralized also British neutralised; neutralizing also British neutralising

transitive verb

1

: to make chemically neutral

2

a

: to counteract the activity or effect of : make ineffective

b

: to counteract the refractive power of (a lens) by combining it with one or more other lenses

3

: to make electrically inert by combining equal positive and negative quantities

intransitive verb

: to undergo neutralization

neutralizer noun

also British neutraliser