overdrive

  1. Noun.  (dated) A gear, on an automobile, higher than the normal top gear.
  2. Noun.  A state of heightened activity.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.