Overdrive - Definition

n 1: the state of high or excessive activity or productivity or
concentration; "Troops are ready to go into overdrive as
soon as the signal is given"; "Melissa's brain was in
overdrive"
2: a high gear used at high speeds to maintain the driving speed
with less output power
v 1: drive or work too hard; "The teacher is overworking his
students"; "Overdriving people often suffer stress"
2: make use of too often or too extensively [syn: overuse,
overdrive]