Unusually energetic is a term used to describe someone who is more active than usual. This can be seen in the two crossword solutions HYPER (5 letters) and HYPERACTIVE (11 letters). HYPER is an adjective that means 'excessively energetic or excited' while HYPERACTIVE is an adjective that means 'having excessive energy and difficulty controlling one's behavior'. Both terms are used to describe someone who is unusually energetic.