Definitions of overdrive
  1. noun
    a high gear used at high speeds to maintain the driving speed with less output power
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    type of:
    high, high gear
    a forward gear with a gear ratio that gives the greatest vehicle velocity for a given engine speed
  2. 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
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    type of:
    action, activeness, activity
    the state of being active
  3. verb
    drive or work too hard
    Overdriving people often suffer stress”
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    type of:
    exploit, overwork
    work excessively hard
  4. verb
    make use of too often or too extensively
    synonyms: overuse
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    type of:
    apply, employ, use, utilise, utilize
    put into service; make work or employ for a particular purpose or for its inherent or natural purpose
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