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# defined

adjective (defined, well-defined); past form of verb define (define, defines, defined, defining)

«defined» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

1. Clear and easy to see or understand (a clearly defined edge). [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/defined/#m1)
2. Having had its meaning stated exactly (a defined term). [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/defined/#m2)
3. (maths) Having a value or meaning according to the rules (Dividing by zero is not defined). [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/defined/#m3)
4. Past form of define: to say exactly what something means or to show clearly its limits. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/defined/#m4)

### In the lessons

In maths: a defined rule, a well-defined set, undefined values like dividing by zero. In science: defined muscles, defined shapes. In formal exam voice: «as defined in the question». Phrases: well-defined, clearly defined, undefined.

### Examples

- The word was defined in the glossary. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/defined/#x1)
- The edges of the shadow were clearly defined. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/defined/#x2)
- In maths, 5 ÷ 0 is not defined. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/defined/#x3)
- The rules of the game were well defined. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/defined/#x4)
- His muscles were defined after months of training. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/defined/#x5)
- She defined «habitat» for the class. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/defined/#x6)
- The many delicate forms concealed in summer by luxuriant foliage, were now clearly defined, and looked like glittering lace-work. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/defined/#x7)

### Note

Opposite: undefined. Noun: definition. In maths, «undefined» means there is no answer by the rules, not that the answer is zero.

## On Mova

- [Trees and pragmatics of «defined» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/defined/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«defined» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/defined.html) on Mova free.