# fertile

/ˈfɝtəɫ/ (US) · /fˈɜːtaɪl/ (UK)

Source: https://englishreference.com/word/fertile
Updated: 2026-06-20

## Senses

### 1. productive land

adjective · CEFR B2

describes soil or land that is very good for growing crops and plants.

For teachers: referring to land or soil that is capable of producing abundant vegetation or crops.

- The valley has very fertile soil, so the farmers grow plenty of vegetables there.
- The volcanic ash had settled over centuries, creating a remarkably fertile plain that supported a dense population of agriculturalists.

### 2. able to have offspring

adjective · CEFR B2

able to produce babies, seeds, or eggs.

For teachers: biologically capable of reproducing or sustaining the development of an embryo.

- The vet confirmed that the horse was healthy and fertile.
- Couples often seek medical advice when they have difficulty conceiving during their most fertile years.

### 3. creative and active

adjective · CEFR B2

describes a mind or imagination that produces many original and interesting ideas.

For teachers: metaphorically applied to the mind or imagination to indicate a high capacity for generating new ideas or creative works.

- The young author has a very fertile imagination and writes a new story every week.
- The director's fertile mind constantly reinvented classic tropes, ensuring that every production felt contemporary and provocative.

### 4. nuclear material

adjective · CEFR C2 · Technical

describes a material that can be turned into fuel for a nuclear reactor.

For teachers: referring to a nuclide that is not itself fissile but can be converted into a fissile material through neutron capture.

- Thorium is a fertile material that can be used in certain types of nuclear reactors.
- The breeder reactor was designed to convert fertile isotopes into fissile fuel, theoretically extending the lifespan of the available uranium supply.

Usage: Used specifically in nuclear physics and engineering contexts.

## Examples

- The valley has very fertile soil for growing grapes.
- Farmers moved to the river banks because the soil was fertile enough to support two harvests every year.
- The professor's fertile imagination allowed him to synthesize disparate historical facts into a compelling narrative that captivated his students and peers alike.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.