1. [ verb ] drive or work too hard

"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

"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