fertilizer

noun

fer·​til·​iz·​er ˈfər-tə-ˌlī-zər How to pronounce fertilizer (audio)
Synonyms of fertilizernext
: one that fertilizes
specifically : a substance (such as manure or a chemical mixture) used to make soil more fertile

Examples of fertilizer in a Sentence

We only use organic fertilizer in our gardens. They use chemical fertilizers on their lawn.
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.
Farmers remain strapped for fertilizer Reopening the Strait of Hormuz would also be a welcome change for farmers and the production of food globally. Mae Anderson, Chicago Tribune, 16 June 2026 Always follow the soil test recommendations and the application directions on the fertilizer label. Mary Marlowe Leverette, Southern Living, 16 June 2026 Daylilies generally won’t need much fertilizer after planting, but they should be watered regularly until they’re established or the ground freezes. Lauren Landers, The Spruce, 16 June 2026 But the ambition lands at a moment when the IMF is warning that East Africa’s macro buffers are thin, with the Iran war exposing structural weakness in economies dependent on oil and fertilizer imports, much of which passes through the Strait of Hormuz. Tiisetso Motsoeneng, semafor.com, 15 June 2026 See All Example Sentences for fertilizer

Word History

First Known Use

circa 1661, in the meaning defined above

Time Traveler
The first known use of fertilizer was circa 1661

Browse Nearby Words

Cite this Entry

“Fertilizer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fertilizer. Accessed 17 Jun. 2026.

Kids Definition

fertilizer

noun
fer·​til·​iz·​er ˈfərt-ᵊl-ˌī-zər How to pronounce fertilizer (audio)
: a substance (as manure or a chemical) used to make soil produce larger or more plant life
Love words? Need even more definitions?

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

More from Merriam-Webster