overdrive
UK[ˌəʊvəˈdraɪv]US[ˌoʊvərˈdraɪv]
n
A state of great activity or effort.
n
A mechanism in a vehicle that allows it to be driven at high speed with low engine revolutions.
Morpheme Breakdown
over
drive
over
above, beyond
drive
to propel
Etymology
The word "overdrive" is a compound formed from two native English elements. The prefix "over-" carries its ancient sense of excess or going beyond a normal limit, a meaning traceable to Proto-Germanic uber. The root "drive" originates from the Proto-Germanic drībaną, meaning "to push, drive," which itself derives from the Proto-Indo-European root dʰreibʰ-, "to drive, push." Originally a technical term in mechanics for a gear providing a higher output speed than input, the literal sense of propelling a machine "beyond" its standard operational level naturally evolved into the modern figurative meaning describing a state of excessive activity or intense effort.
Analysis
Structure: over (above, beyond) + drive (to propel)
- over: Old English origin, meaning "above, beyond, across." Functions as an intensifying prefix.
- drive: Old English origin, from drīfan, meaning "to urge forward, propel." Functions as the core root.
Examples
The team went into overdrive to meet the deadline.
He shifted the car into overdrive on the highway.
Her imagination was in overdrive, generating one creative idea after another.