suppress

American  

[suh-pres] / səˈprɛs /

verb (used with object)

1. to put an end to the activities of (a person, body of persons, etc.).

   to suppress the Communist and certain left-leaning parties.

2. to do away with by or as by authority; abolish; stop (a practice, custom, etc.).

3. to keep in or repress (a feeling, smile, groan, etc.).

4. to withhold from disclosure or publication (truth, evidence, a book, names, etc.).

5. to stop or arrest (a flow, hemorrhage, cough, etc.).

6. to vanquish or subdue (a revolt, rebellion, etc.); quell; crush.

7. Genetics. to keep (a gene) from being expressed.

   Let's say that future genetic engineers discover a gene for suicidal depression, and learn how to suppress the gene or adjust it.

8. Electricity. to reduce or eliminate (an irregular or undesired oscillation or frequency) in a circuit.

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suppress British  

/ səˈprɛs /

verb

1. to put an end to; prohibit

2. to hold in check; restrain

   I was obliged to suppress a smile

3. to withhold from circulation or publication

   to suppress seditious pamphlets

4. to stop the activities of; crush

   to suppress a rebellion

5. electronics

   1. to reduce or eliminate (unwanted oscillations) in a circuit

   2. to eliminate (a particular frequency or group of frequencies) in a signal

6. psychiatry

   1. to resist consciously (an idea or a desire entering one's mind)

   2. to exercise self-control by preventing the expression of (certain desires) Compare repress

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Other Word Forms

• nonsuppressive adjective
• nonsuppressively adverb
• nonsuppressiveness noun
• presuppress verb (used with object)
• resuppress verb (used with object)
• self-suppressing adjective
• self-suppressive adjective
• suppresser noun
• suppressible adjective
• suppressive adjective
• suppressively adverb
• suppressor noun
• unsuppressible adjective
• unsuppressive adjective

Etymology

Origin of suppress

First recorded in 1375–1425; late Middle English suppressen, from Latin suppressus (past participle of supprimere “to press down”), equivalent to sup- sup- + pressus ( press ¹ )

Explanation

To suppress something means to curb, inhibit, or even stop it. If the sound of your boss moving in his chair sounds like gas, you’re going to have to learn how to suppress your giggles. In the strictest sense, suppress means to put an end to something by force, like a government that suppresses the right to free speech by shutting down the newspapers or the military suppressing an uprising by rebel forces. But we also use suppress in less serious terms to describe an attempt to muffle or stifle something, such as suppressing a sneeze in a quiet theater or suppressing your true emotions to not cause a teary scene.

Example Sentences

Numerous states passed “blue sky laws” to suppress bucket shops, yet the biggest scandal was yet to come.

From Barron's • Apr. 7, 2026

This signal is then passed to neurons that suppress appetite, leading to the sensation of fullness.

From Science Daily • Apr. 6, 2026

Fire officials have requested additional resources, but were trying to suppress the flames with two air tankers, 23 fire engines, two helicopters and two bulldozers, a spokesperson said.

From Los Angeles Times • Apr. 3, 2026

Supporters of screening also say this method is more humane than requiring DSD athletes to suppress their natural testosterone levels, and will avoid the intense media scrutiny that some athletes have been exposed to.

From BBC • Mar. 31, 2026

It was all I could do to suppress screams of rage.

From "Crispin: The Cross of Lead" by Avi

Related Words

• abolish
• censor
• conceal
• contain
• crack down on
• crush
• curb
• cut off
• muzzle
• overcome
• overthrow
• put an end to
• put down
• quash
• quell
• quench
• repress
• silence
• snuff out