Overdrive (Noun)
Meaning 1
A high gear used at high speeds to maintain the driving speed with less output power.
Classification
Nouns denoting man-made objects.
Hypernyms
Meaning 2
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".
Classification
Nouns denoting natural processes.