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.
Cool season lawns grow actively in fall and spring and should be fertilized accordingly. Kim Toscano, Southern Living, 5 Apr. 2025 Do fertilize your trees now and again in May, August and early October. Tom MacCubbin, The Orlando Sentinel, 5 Apr. 2025 Corn gluten breaks down into a nitrogen source, and fertilizing lawns this early is prohibited. Miri Talabac, Baltimore Sun, 20 Feb. 2025 In volume farming, intelligent machines will autonomously fertilize, remove weeds, pick berries, fruits and vegetables, and pack the produce into shipping containers for transport. Marcus Weldon, Newsweek, 24 Feb. 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 15 Apr. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!