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Definition of fertilizer
fertilizer
/ˈfɝː.t̬əl.aɪ.zɚ/
(UK: fertiliser)
fer · ti · liz · er
Plural:fertilizers
fertilizer Lexical Profile
CEFR
B2
Grade
4
Tier
2
Usage
Top 5k
fertilizer Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A chemical or natural substance added to soil or land to increase its fertility and enhance crop yield.
Example
"The farmers applied organic fertilizer to the fields before planting the spring crops to ensure a healthy harvest."
2
Anything that promotes growth, development, or productivity in a figurative or non-agricultural context.
Example
"Reading a diverse range of books serves as a powerful fertilizer for a child's imagination."
Synonyms
View all synonyms for fertilizerWord Origin & Etymology
Mid 17th century: formed from the verb 'fertilize' + the suffix '-er'. The root traces back to the Latin 'fertilis' (fruitful, bearing in abundance), from 'ferre' (to bear).
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Fertilizer. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/fertilizer