Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • intransitive verb To shift a motor vehicle into a higher gear.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun automotive A shift to a higher gear
  • noun sciences, engineering A shift to a higher level, such as of frequency or growth
  • verb automotive To shift to a higher gear
  • verb sciences, engineering To shift to a higher level, such as of frequency or growth rate

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

up- +‎ shift

Examples

Comments

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