overactive [`ovɚ'æktɪv]   

overactive

1. Future developments might produce a binding substance that clings to abnormal genetic material associated with an overactive BCL2 rather than the messenger, he said.
2. Lee, an accomplished artist, also has an overactive imagination.
3. She underwent radioactive iodine treatment to treat the overactive thyroid.
4. Elevated interleukin-1 levels are one indication that in chronic fatigue patients, the pathway is overactive.
5. Half the parents had initially interacted with boys who behaved normally, while half had faced boys trained by the researchers to behave in an overactive and disruptive way.
6. The eye problem results from Graves disease, a condition in which the thyroid gland becomes overactive.