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

At the same time, the researchers are also studying how to turn the leftover seaweed biomass into chemicals, fuel, and fertilizer. — New Atlas, 27 July 2026

Apply a slow-release fertilizer following label instructions. — Tom MacCubbin, The Orlando Sentinel, 25 July 2026

Russia's ongoing war in Ukraine disrupted oil and fertilizer supplies. — ABC News, 25 July 2026

Overton also subsequently led the policy process that resulted in USDA committing $700 million to a regenerative-farming program, championed by Kennedy, that seeks to avoid heavy dependence on chemical fertilizer and pesticides. — Michael Scherer, The Atlantic, 24 July 2026

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
• digitizer
• equalizer
• localizer
• merchandiser
• moisturizer

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