English Reference

Word

fertilizer

Phoneticsfer·til·iz·er, stress on the first syllable

/ˈfɝtəˌɫaɪzɝ/

UK spelling · fertiliser

Definitions

01plant food

B2 · Upper Intermediate Uncountable noun

n. a natural or chemical substance added to soil to help plants grow.

n. a natural or synthetic substance containing nutrients that is applied to soil or land to increase its fertility.

“The gardener added organic fertilizer to the soil before planting the tomatoes.”

“Modern agriculture relies heavily on nitrogen-based fertilizers to maintain high crop yields across large-scale farming operations.”

Synonyms

plant foodmanurecompost

02human remains

C2 · Proficiency Uncountable noun Vulgar · Slang

n. a very dark or rude way to talk about dead bodies left in the ground.

n. a derogatory or cynical reference to human remains, implying they are of no more value than waste used for soil.

“In the dark movie, the villain said the soldiers were just fertilizer now.”

“The cynical commander dismissed the loss of life, callously remarking that his fallen enemies were now nothing more than fertilizer for the fields.”

Usage

Used figuratively and usually in a highly offensive or dark context.

Synonyms

Real-World Examples

“An earlier version referred to glyphosate as a fertilizer; it is an herbicide.”
The Guardian 16 Aug 2026
“Growing avocados on a commercial scale requires a lot of nitrogen fertilizers and other agrochemicals.”
The Conversation 29 Jul 2026
“Islands that appeared barren were, in fact, among the world’s richest natural sources of fertilizer.”
The Conversation 27 Jul 2026

Etymology

From fertilize + -er.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

NOUN

fertilizer(B2)

Related words

Domain

Chemistry

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

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English Reference