Standard Lemma guide

infestation

noun · 3 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˌɪnfɛsˈteɪ̯ʃən/
  • [ˌɪnfɛsˈtheɪ̯ʃən] ~ [ˌɪnfɛsˈtheɪ̯ʃn̩]
  • [ˌɪɱfɛsˈtheɪ̯ʃən] ~ [ˌɪɱfɛsˈtheɪ̯ʃn̩]
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -eɪʃən
  • CMU ARPABET: IH2 N F EH1 S T EY1 SH AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The presence of a large number of pest organisms in an area or field, on the surface of a host or anything that might contact a host, or in the soil.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a swarm of insects that attack plants

Definition source: Princeton WordNet 3.0

Examples

  • a plague of grasshoppers

Meaning relationships

Synonyms: plague

Antonyms: none provided

Broader terms: swarm, cloud

3

noun

Meaning 3

the state of being invaded or overrun by parasites

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: fullness

Narrower terms: fascioliasis, fasciolosis, fasciolopsiasis, Guinea worm disease, Guinea worm, dracunculiasis, enterobiasis, schistosomiasis, bilharzia, bilharziasis, trichinosis, trichiniasis, myositis trichinosa, acariasis, acariosis, acaridiasis, ascariasis, coccidiosis, echinococcosis, hydatid disease, hydatidosis, helminthiasis, myiasis, onchocerciasis, river blindness, opisthorchiasis, pediculosis, lousiness, trombiculiasis, trichuriasis

History

Etymology

From Middle French infestation, from Late Latin infestatio. Morphologically infest + -ation.

Across languages

Translations

12 source translations are retained for this English entry.

  • Catalan: infestació — presence of a large number of pest organisms in an area
  • Esperanto: infesto — presence of a large number of pest organisms in an area
  • German: Befall — presence of a large number of pest organisms in an area
  • German: Infestation — presence of a large number of pest organisms in an area
  • Italian: infestazione — presence of a large number of pest organisms in an area
  • Māori: pokipokitanga — presence of a large number of pest organisms in an area
  • Portuguese: infestação — presence of a large number of pest organisms in an area
  • Romanian: infestație — presence of a large number of pest organisms in an area
  • Russian: инфеста́ция (infestácija) — presence of a large number of pest organisms in an area
  • Spanish: infestación — presence of a large number of pest organisms in an area
  • Swedish: angrepp — presence of a large number of pest organisms in an area
  • Swedish: härjning — presence of a large number of pest organisms in an area
Real reading context

infestation in complete knowledge articles