insecticidal

adjective

in·​sec·​ti·​cid·​al (ˌ)in-ˌsek-tə-ˈsī-dᵊl How to pronounce insecticidal (audio)
1
: destroying or controlling insects
2
: of or relating to an insecticide
insecticidally adverb

Examples of insecticidal in a Sentence

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.
Make sure your plants are receiving enough water, and treat serious pest problems with neem oil or insecticidal soap. Brandee Gruener, Southern Living, 8 May 2025 For a larger problem, applying insecticidal soap or neem oil are less-toxic solutions than stronger pesticides. Sheryl Geerts, Better Homes & Gardens, 7 May 2025 Use insecticidal soap, neem or horticultural oils, or Spinosad, and follow label instructions. Arricca Elin Sansone, Southern Living, 30 Apr. 2025 Treat the occasional aphid or mite outbreak with insecticidal soap. Kim Toscano, Southern Living, 16 Apr. 2025 See All Example Sentences for insecticidal

Word History

First Known Use

1857, in the meaning defined at sense 1

Time Traveler
The first known use of insecticidal was in 1857

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Cite this Entry

“Insecticidal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/insecticidal. Accessed 17 May. 2025.

Last Updated: - Updated example sentences
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