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

  • intransitive verb To refuse to provide mortgages, insurance, or other goods or services to areas deemed a poor economic risk, particularly when the residents are nonwhite.
  • intransitive verb To reach the maximum engine speed at which an engine is designed to be safely operated.
  • intransitive verb Computers To mark or highlight edited text, as with a red line, to distinguish it from unedited portions of a document.
  • intransitive verb To practice redlining in (an area or community), as in declining to provide mortgages.
  • intransitive verb To remove from operational status because of mechanical defects or the need for scheduled maintenance.
  • intransitive verb Computers To mark (edited text) by redlining.
  • noun A safety limit, as marked on a gauge.
  • noun The red line at the center of an ice hockey rink, running parallel to the goal lines and dividing the rink in half.
  • noun Either of two red lines running across an ice hockey rink near the end boards, in the center of which the goal is positioned.

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

  • noun A drawing, document, etc. that has been marked for correction or modification.
  • noun The maximum speed at which the engine in a car is designed to operate.
  • verb To mark a drawing or document for correction or modification.
  • verb To run an internal combustion engine to its maximum or maximum recommended speed.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb discriminate in selling or renting housing in certain areas of a neighborhood


Sorry, no etymologies found.


Help support Wordnik (and make this page ad-free) by adopting the word redline.



Log in or sign up to get involved in the conversation. It's quick and easy.