a, o, e, c, r, t, i, v, y are letters that make 'overactivity'
ER, IT, act, ti, ERA, OV, AC, overact, iv, vi, over, activity, CT, IV, RA, VI, Ra, Ac, Er, Ti, era are words within 'overactivity'
1 possible definitions for 'overactivity'
Under this definition, overactivity is a noun and has the following properties:
'overactivity' can be a type of bodily process, body process, bodily function, activity.
hyperactive, overactive are derivatives of 'overactivity'.
"overactivity of the sebaceous glands causes the skin to become oily"