suppressed; suppressing; suppresses
Synonyms of suppress

transitive verb

1
: to put down by authority or force : subdue
suppress a riot
2
: to keep from public knowledge: such as
a
: to keep secret
b
: to stop or prohibit the publication or revelation of
suppress the test results
3
a
: to exclude from consciousness
b
: to keep from giving vent to : check
suppressed her anger
4
obsolete : to press down
5
a
: to restrain from a usual course or action
suppress a cough
b
: to inhibit the growth or development of
6
: to inhibit the genetic expression of
suppress a mutation

Examples of suppress in a Sentence

Political dissent was brutally suppressed. The governor tried to suppress the news. He struggled to suppress his feelings of jealousy. She could not suppress her anger. I had to suppress an urge to tell him what I really thought.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This isn’t a matter of suppressing your emotions, which research has proven doesn't work. Kevin Kruse, Forbes.com, 29 Aug. 2026 In one of the findings, bat houses — artificial roosts in urban environments, similar to nest boxes for birds — were doing their job helping to suppress pests on pecan farms in Texas. Shi En Kim, AZCentral.com, 28 Aug. 2026 In a person who has developed opioid dependence, the drug can activate enough mu receptors to suppress withdrawal symptoms and reduce cravings. Encyclopedia Britannica, 28 Aug. 2026 The approval is based on two Phase 3 trials, which evaluated Bixlenvo in adults with HIV whose virus was already suppressed on treatment. Annika Kim Constantino, CNBC, 27 Aug. 2026 See All Example Sentences for suppress

Word History

Etymology

Middle English, from Latin suppressus, past participle of supprimere, from sub- + premere to press — more at press

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of suppress was in the 14th century

Browse Nearby Words

Cite this Entry

“Suppress.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/suppress. Accessed 31 Aug. 2026.

Kids Definition

1
: to put down by authority or force
suppress a rebellion
2
a
: to keep from being known
tried to suppress the news
b
: to stop the publication or distribution of
suppressed the test results
3
: to hold back : repress
suppress feelings of jealousy
suppressed a cough
4
: to slow or stop the growth or development of : stunt
suppression
-ˈpresh-ən
noun
suppressor
-ˈpres-ər
noun

Medical Definition

suppress

transitive verb
1
: to exclude from consciousness
suppressed anxiety
2
: to restrain from a usual course or action
suppress a cough
3
: inhibit sense 2
suppresses the human immune responseJosie Glausiusz
especially : to inhibit the genetic expression of
suppress a mutation
suppressibility noun
plural suppressibilities

Legal Definition

suppress

transitive verb
1
: to put down by authority or force
2
a
: to keep secret
b
: to stop or prohibit the publication or revelation of
3
a
: to exclude (illegally obtained evidence) from use at trial
suppress narcotics found in violation of the right against unreasonable search and seizure
b
: to fail to disclose (material evidence favorable to a defendant) in violation of due process
accused the prosecution of suppressing evidence
compare brady material

intransitive verb

: to suppress evidence
suppressible adjective
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