fertilizer

noun

fer·​til·​iz·​er ˈfər-tə-ˌlī-zər 

: 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

Many are also ditching chemical fertilizers and designing gardens that support biodiversity, attracting pollinators like bees, butterflies, and birds. —Lucy Notarantonio, MSNBC Newsweek, 27 Oct. 2025

Don’t use chemical fertilizers, which can be too strong and affect bulb development. —Karen Brewer Grossman, Southern Living, 26 Oct. 2025

Chemical fertilizers, insecticides, and fungicides are never used. —Kathleen Toner, CNN Money, 24 Oct. 2025

And the fertilizer could be produced with less energy because the raw materials don’t have to be mined or transported, according to researchers. —Prabhat Ranjan Mishra, Interesting Engineering, 23 Oct. 2025

Word History

First Known Use

circa 1661, in the meaning defined above

Phrases Containing fertilizer

• complete fertilizer

Rhymes for fertilizer

• advertiser
• analyser
• analyzer
• appetizer
• atomizer
• breathalyzer
• colonizer
• crystallizer
• digitizer
• equalizer
• localizer
• merchandiser

Kids Definition

fertilizer

noun

fer·​til·​iz·​er ˈfərt-ᵊl-ˌī-zər 

: a substance (as manure or a chemical) used to make soil produce larger or more plant life