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# overactive

adjective

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

## Everyday

1. Too active; working, moving or doing more than is normal or healthy. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/O/overactive/#m1)
2. (body) An organ that works too hard, like an overactive thyroid. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/O/overactive/#m2)

### In the lessons

Used about imagination («an overactive imagination» — imagining scary or unlikely things), bodies and machines. Often a gentle way of saying someone is imagining things. Phrases: «an overactive imagination», «an overactive bladder».

### Examples

- You have an overactive imagination — there is no monster under the bed. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/O/overactive/#x1)
- The puppy was overactive after eating cake crumbs. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/O/overactive/#x2)
- An overactive gland can make the heart beat fast. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/O/overactive/#x3)
- My brother's overactive brain keeps him awake at night. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/O/overactive/#x4)
- The detective said the witness had an overactive imagination. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/O/overactive/#x5)
- An overactive volcano had to be watched closely. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/O/overactive/#x6)

### Note

Prefix «over-» means «too much». Opposite: «underactive». Also spelt «over-active». Not the same as «hyperactive», which is often used about children who cannot sit still.

## On Mova

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