fertilize

verb

fer·​til·​ize ˈfər-tə-ˌlīz How to pronounce fertilize (audio)
fertilized; fertilizing

transitive verb

: to make fertile: such as
a
: to apply a fertilizer to
fertilize land
b
: to cause the fertilization of
fertilizable adjective

Examples of fertilize in a Sentence

A single sperm fertilizes an egg. Bees fertilize plants as they collect nectar from flowers. He fertilizes the lawn every year. The soil is so rich there is no need to fertilize.
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.
Keep all moist and fertilize in March, May and early October. Tom MacCubbin, The Orlando Sentinel, 12 July 2025 The Frozen Zoo has notched some reproductive breakthroughs over the years, including in 2023 when researchers were able to successfully freeze sunflower sea star sperm, thaw it and fertilize eggs that resulted in larvae developing with a high rate of success. Karen Kucher, San Diego Union-Tribune, 10 July 2025 Improving soil, managing watering, fertilizing correctly, and mowing high are key to lawn care. Paul Cappiello, The Courier-Journal, 2 July 2025 Palms are best fertilized with products made for their needs in March, May and October. 58. Tom MacCubbin, The Orlando Sentinel, 26 July 2025 See All Example Sentences for fertilize

Word History

First Known Use

1621, in the meaning defined above

Time Traveler
The first known use of fertilize was in 1621

Browse Nearby Words

Cite this Entry

“Fertilize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fertilize. Accessed 20 Aug. 2025.

Kids Definition

fertilize

verb
fer·​til·​ize ˈfərt-ᵊl-ˌīz How to pronounce fertilize (audio)
fertilized; fertilizing
: to make fertile: as
a
: to cause the fertilization of
also : to unite with in the process of fertilization
a sperm fertilizes an egg
b
: to apply a fertilizer to
fertilize land

More from Merriam-Webster on fertilize

Last Updated: - Updated example sentences
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