Standard Lemma guide

suppressor

noun · 7 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • CMU ARPABET: S AH0 P R EH1 S ER0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A device which suppresses something, especially an electronic or mechanical device.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A device which suppresses something, especially an electronic or mechanical device.

A device added to the barrel of a firearm which reduces the noise and flash generated by firing the weapon.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: silencer, muffler

Antonyms: loudener

3

noun

Meaning 3

A person who suppresses others, a tyrant.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A gene that suppresses the effect of another through epistasis.

Definition source: English Wiktionary via Wiktextract

Topics: biology, genetics, medicine, natural-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

an electrical device for suppressing unwanted currents

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: suppresser

Antonyms: none provided

Broader terms: electrical device

Narrower terms: surge suppressor, surge protector, spike suppressor, spike arrester, lightning arrester

6

noun

Meaning 6

a gene that suppresses the phenotypic expression of another gene (especially of a mutant gene)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: suppresser, suppressor gene, suppresser gene

Antonyms: none provided

Broader terms: gene, cistron, factor

Narrower terms: tumor suppressor gene

7

noun

Meaning 7

someone who suppresses

Definition source: Princeton WordNet 3.0

Examples

  • dictators are suppressors of free speech

Meaning relationships

Synonyms: suppresser

Antonyms: none provided

Broader terms: restrainer, controller

History

Etymology

From suppress + -or.

Real reading context

suppressor in complete knowledge articles