Search Result for "overactivity": 
Wordnet 3.0

NOUN (1)

1. excessive activity;
- Example: "overactivity of the sebaceous glands causes the skin to become oily"

WordNet (r) 3.0 (2006):

overactivity
    n 1: excessive activity; "overactivity of the sebaceous glands
         causes the skin to become oily"