overdrive
1. [ verb ] drive or work too hard
Examples:

"The teacher is overworking his students" "Overdriving people often suffer stress"

Related terms: overwork
2. [ verb ] make use of too often or too extensively
Synonyms: overuse
Related terms: use overexploitation
3. [ noun ] the state of high or excessive activity or productivity or concentration
Examples:

"Troops are ready to go into overdrive as soon as the signal is given" "Melissa's brain was in overdrive"

Related terms: action
4. [ noun ] a high gear used at high speeds to maintain the driving speed with less output power
Related terms: high_gear
Similar spelling:   overtire
  overtime
  overdress
  overdue
  overeat
  overdressed
  overheat
  overdone
  overdose
  overdraw
  overhead
  overawed
  overrate
  override
  overtake
  overdraft
  overtone
  overture
  overdelicate
  overdo
  overheated
  overeating
  overtax
  overtly
  Overton
  overtop
  overheating