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.
With the strait closed, fertilizer shipments from the Persian Gulf slumped and prices rose, affecting countries all around the world that import fertilizer. Joe Hernandez, NPR, 3 July 2026 Plants that require rich soil benefit from annual fertilizer applications, typically in spring. Kim Toscano, Southern Living, 3 July 2026 By waiving the legislation, foreign vessels could facilitate the transport of petroleum and fertilizer throughout the country’s ports, thus reducing potential supply disruptions that could further hike fuel prices. Glenn Taylor, Footwear News, 2 July 2026 Avoid root disturbance when transplanting, under or over-watering, overcrowding, intense heat and sun, and too much nitrogen in fertilizers. Gemma Johnstone, The Spruce, 2 July 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 6 Jul. 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