noun · 2 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.
Received-Pronunciation:/ˈpɛstɪsaɪd/
Received-Pronunciation:/ˈpɛstəsaɪd/
Southern-England:Recorded audio is listed in the source snapshot.
Canada, General-American:pĕsʹtĭ-sīd'
Canada, General-American:/ˈpɛstɪˌsaɪd/
Canada, General-American:[ˈpɛstɪ̈ˌsaɪd]
Texas:Recorded audio is listed in the source snapshot.
CMU ARPABET:P EH1 S T AH0 S AY2 D
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
Anything, especially a synthetic substance but also any substance (e.g. sulfur), or virus, bacterium, or other organism, which kills or suppresses the activities of pests.
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 chemical used to kill pests (as rodents or insects)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Etymology tree English pest Latin -i-bor. English -i- Proto-Indo-European *kh2eyd-der. Proto-Italic *kaidō Latin caedō Proto-Indo-European *-h2 Proto-Indo-European *-eh2 Proto-Italic *-ā Latin -a Latin -cīdader. Middle French -cidebor. English -cide English pesticide From pest + -i- + -cide.
Across languages
Translations
49 source translations are retained for this English entry.
Armenian:
պեստիցիդ
(pesticʻid)
— substance used to kill or repress the activities of pests
Azerbaijani:
pestisid
— substance used to kill or repress the activities of pests
Bulgarian:
пестицид
(pesticid)
— substance used to kill or repress the activities of pests
Catalan:
plaguicida
— substance used to kill or repress the activities of pests
Catalan:
pesticida
— substance used to kill or repress the activities of pests
Chinese Cantonese:
除害劑 /除害剂
(ceoi4 hoi6 zai1)
— substance used to kill or repress the activities of pests
Chinese Mandarin:
殺蟲劑 /杀虫剂
(shāchóngjì)
— substance used to kill or repress the activities of pests
Chinese Mandarin:
農藥 /农药
(nóngyào)
— substance used to kill or repress the activities of pests
Chinese Mandarin:
除害劑 /除害剂
(chúhài jì)
— substance used to kill or repress the activities of pests
Czech:
pesticid
— substance used to kill or repress the activities of pests
Dutch:
pesticide
— substance used to kill or repress the activities of pests
Dutch:
verdelgingsmiddel
— substance used to kill or repress the activities of pests
Erzya:
паксьменге
(pakśmenge)
— substance used to kill or repress the activities of pests
Esperanto:
pesticido
— substance used to kill or repress the activities of pests
Estonian:
pestitsiid
— substance used to kill or repress the activities of pests
Estonian:
taimekaitsemürk
— substance used to kill or repress the activities of pests
Faroese:
týningarevni
— substance used to kill or repress the activities of pests
Finnish:
tuholaismyrkky
— substance used to kill or repress the activities of pests
French:
pesticide
— substance used to kill or repress the activities of pests
Galician:
pesticida
— substance used to kill or repress the activities of pests
German:
Pestizid
— substance used to kill or repress the activities of pests
Hindi:
कीटनाशक
(kīṭnāśak)
— substance used to kill or repress the activities of pests
Icelandic:
skordýraeitur
— substance used to kill or repress the activities of pests
Icelandic:
plágueyðir
— substance used to kill or repress the activities of pests
Icelandic:
eyðingarlyf
— substance used to kill or repress the activities of pests
Indonesian:
pestisida
— substance used to kill or repress the activities of pests
Indonesian:
racun hama
— substance used to kill or repress the activities of pests
Indonesian:
racun pembasmi hama
— substance used to kill or repress the activities of pests
Italian:
pesticida
— substance used to kill or repress the activities of pests
Japanese:
殺虫剤
(satchūzai)
— substance used to kill or repress the activities of pests
Japanese:
農薬
(nōyaku)
— substance used to kill or repress the activities of pests
Malay:
pestisid
— substance used to kill or repress the activities of pests
Malay:
racun perosak
— substance used to kill or repress the activities of pests
Polish:
pestycyd
— substance used to kill or repress the activities of pests
Portuguese:
pesticida
— substance used to kill or repress the activities of pests
Romanian:
pesticid
— substance used to kill or repress the activities of pests
Russian:
пестици́д
(pesticíd)
— substance used to kill or repress the activities of pests
Serbo-Croatian:
pestìcīd
— substance used to kill or repress the activities of pests
Spanish:
pesticida
— substance used to kill or repress the activities of pests
Spanish:
plaguicida
— substance used to kill or repress the activities of pests
Swedish:
bekämpningsmedel
— substance used to kill or repress the activities of pests
Swedish:
pesticid
— substance used to kill or repress the activities of pests
Tagalog:
lasonangol
— substance used to kill or repress the activities of pests
Tagalog:
pestisidyo
— substance used to kill or repress the activities of pests
Tok Pisin:
marasin bilong kilim ol binatang
— substance used to kill or repress the activities of pests
Tok Pisin:
marasin bilong pinisim ol binatang nogut
— substance used to kill or repress the activities of pests
Turkish:
pestisit
— substance used to kill or repress the activities of pests
Ukrainian:
пестици́д
(pestycýd)
— substance used to kill or repress the activities of pests
Yoruba:
oògùn apakòkòrò
— substance used to kill or repress the activities of pests
