3 syllables: herb, i, cide. Stress on herb.
/ˈhɝbɪˌsaɪd/
herbicide is pronounced /ˈhɝbɪˌsaɪd/. It has three syllables (herb-i-cide), with the stress on "herb". Herbicide is a chemical substance used to kill or inhibit the growth of unwanted plants, especially weeds. It is applied to target vegetation with the goal of eliminating competition for crops, gardens, or natural ecosystems. The term combines herb- (plant) and -cide (to kill).
Say it backHerbicide is a chemical substance used to kill or inhibit the growth of unwanted plants, especially weeds. It is applied to target vegetation with the goal of eliminating competition for crops, gardens, or natural ecosystems. The term combines herb- (plant) and -cide (to kill).
"The farmer sprayed herbicide to protect his soybean crop."
"We need to choose an herbicide that targets broadleaf weeds without harming the grass."
"Some households use selective herbicides for garden beds to avoid damaging ornamentals."
You pronounce it with the stress on the first syllable: HER-bi-side. Phonetically: US /ˈhɜːr.bɪ.saɪd/, UK /ˈhɜː.bɪ.saɪd/, AU /ˈhɜː.bɪ.saɪd/. Start with an open or mid-back unrounded vowel in the first syllable, then a short /b/ followed by a clear /ɪ/ and a long /aɪ/ for the final syllable. Make sure the second syllable is light: /bɪ/. The final is /saɪd/ with a clear /s/ transitioning to /aɪd/.
Common mistakes include underscoring or misplacing the stress (saying heR-bi-side) and mispronouncing the second syllable as /ə/ or /ɪ/ rather than /bɪ/. Some speakers also soften the final /d/ or drop the final /d/ entirely. To correct: keep the first syllable strong: /ˈhɜːr/; use a short /b/ and a crisp /ɪ/ in the second syllable; finish with /saɪd/—avoid delaying the final /d/ or turning it into /t/ in rapid speech.
In US and UK pronunciations, the initial vowel is a centralized /ɜːr/ in rhotic accents, with /ˈhɜːr.bɪ.saɪd/. Australian speech tends to be similar but may reflect more vowel merger in some dialects; kept rhotic in careful speech. The main differences come from rhoticity and the realization of /ɜː/ vs /ɜːr/ depending on consonant following the vowel; non-rhotic tendencies are rare in carefully spoken Australian English, but some speakers may reduce the rhotic vowel slightly in rapid speech.
It challenges non-native speakers due to the central stressed first syllable with /ɜːr/ or /ɜː/ plus the /b/ immediately after, then /ɪ/ before the long /aɪd/. The sequence /bɪ.saɪd/ can be tricky because the /s/ blends with /aɪ/ across syllables. The final /d/ can be devoiced in rapid speech. Practicing the three-consonant cluster after the vowel and maintaining primary stress on the first syllable helps.
A unique tip is to emphasize the /b/ immediately after the /ɜːr/ and ensure the /ɪ/ in the second syllable is short and crisp, separating it from the /saɪd/ final. Visualize the mouth as slightly closing around /b/ and keeping the tongue high for /ɪ/ before the rapidly rising diphthong /aɪ/. This will help avoid blending /ɪ/ with /saɪ/ and preserve the clear syllable boundary.
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Herbicide derives from the combination of herb- (from Latin herba, ‘a plant, herb’) meaning ‘plants’ and -cide from Latin caedere, ‘to kill’ (cide meaning ‘killer’). The compound likely formed in the late 19th to early 20th century with the rise of chemical weed control in agriculture and horticulture. Early terms used were “herbicidal” and “herbicide” to denote substances that either destroyed or inhibited the growth of unwanted vegetation. The usage expanded in the mid-20th century as synthetic herbicides (e.g., dinitroanilines, phenoxys) entered the market, paired with precise agricultural applications. First known publications using the modern term appear in agronomic catalogs and chemical registries around the 1940s–1950s, paralleling the industrialization of farming and the need for targeted weed control. Over time, the meaning narrowed to chemicals designed to selectively kill plant life with acceptable crop safety or environmental profiles, though debates about ecological impact have shaped its usage in policy and practice.
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💡 These words have similar meanings to "herbicide" and can often be used interchangeably.
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Words that rhyme with "herbicide"
-ide sounds
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