English Reference
verb

suppress

v.
US /səˈpɹɛs/ UK /səpɹˈɛs/ sup·press UK spelling suppressed, suppresses

  1. 01 B2 Upper Intermediate

    to end something by using force, like stopping a protest or a rebellion.

    to put an end to an activity or organization, typically through the use of authority or physical force.

    Simple

    The government used the army to suppress the rebellion in the northern provinces.

    In context

    The authoritarian regime moved quickly to suppress the uprising, deploying riot police to clear the central square before dawn.

  2. 02 B2 Upper Intermediate

    to try not to show an emotion or a physical reaction, like a laugh or a cough.

    to consciously inhibit the expression of an emotion, impulse, or physiological reaction.

    Simple

    She had to suppress a smile when she saw his ridiculous hat.

    In context

    During the solemn ceremony, he struggled to suppress a cough, fearing the noise would disrupt the silence of the cathedral.

  3. 03 C1 Advanced Formal

    to prevent information or a book from being made public.

    to prevent the publication, circulation, or disclosure of information or creative work.

    Simple

    The company tried to suppress the report about the safety flaws in their new car.

    In context

    The intelligence agency attempted to suppress the leaked documents, citing national security concerns as the primary justification for the injunction.

  4. 04 C1 Advanced TechnicalFormal Law

    to legally prevent certain evidence from being used in a court case.

    to exclude evidence from a trial, typically on the grounds that it was obtained illegally or is prejudicial.

    Simple

    The lawyer filed a motion to suppress the evidence because it was found without a warrant.

    In context

    The defence attorney argued that the confession was coerced and moved to suppress it before the jury was empanelled.

  5. 05 C2 Proficiency Technical Science

    to reduce or get rid of unwanted electrical noise or frequencies.

    to reduce the magnitude of a signal, frequency, or interference in an electronic system.

    Simple

    The new headphones use technology to suppress background noise.

    In context

    The circuit was designed to suppress high-frequency interference that would otherwise degrade the clarity of the audio output.

  6. 06 C1 Advanced Technical Military

    to stop an enemy from firing or moving by shooting at them.

    to prevent the enemy from performing specific tasks, such as firing or observing, through the use of overwhelming force.

    Simple

    The soldiers fired at the building to suppress the enemy snipers.

    In context

    The artillery unit was ordered to suppress the enemy's defensive positions to allow the infantry to advance across the open field.

Filmed on location at Treaty 1 Territory in Manitoba, Esther’s suppressed memories of her stolen life are shot through with lushness as they return, though they aren’t all happy.

The Guardian· 15 Aug 2026

The JAAC said Pakistani authorities were trying to suppress dissent and have detained scores of its supporters, who it said were ordinary Kashmiris.

The Guardian· 10 Aug 2026

From Latin suppressus, perfect passive participle of supprimō (“press down or under”), from sub (“under”) + premō (“press”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin suppressus
Level C1 · Advanced
Frequency Frequent
Updated