[ verb red-lahyn; noun red-lahyn ]
/ verb ˈrɛdˌlaɪn; noun ˈrɛdˈlaɪn /
verb (used with object), red·lined, red·lin·ing.
to treat by redlining (an area or neighborhood).
to establish the recommended safe speed of (an airplane): The bomber is redlined at 650 miles an hour.
to draw a canceling red line through (an item on a list).
to mark or designate for cancellation, rejection, dismissal, or the like: club members redlined for unpaid dues.
to cause (an airplane) to be grounded.
verb (used without object), red·lined, red·lin·ing.
to engage in redlining.
- the maximum rotational speed, or angular velocity, of the engine crankshaft that is considered safe: often measured in rpm.
- a red line or boundary of a red area that delineates such a value, as on a tachometer.
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OTHER WORDS FROM redlineredliner, noun
Words nearby redline
Definition for redline (2 of 2)
Ice Hockey. a line of the color red that is parallel to and equidistant from the goal lines and divides the rink in half.
a limit, point, or boundary beyond which one may not go without incurring negative consequences: The use of chemical weapons is a red line, which, if crossed, could trigger military action.
Origin of red line
First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for redline
Walker gained a love of car racing from starring in the films, racing cars in the Redline Time Attack racing series.Actor Paul Walker, Star of ‘The Fast and the Furious’ Films, Dies In Car Crash|Marlow Stern|December 1, 2013|DAILY BEAST
British Dictionary definitions for redline (1 of 2)
/ (ˈrɛdˌlaɪn) /
(esp of a bank or group of banks) to refuse a loan to (a person or country) because of the presumed risks involved
to restrict people's access to goods or services on the basis of the area in which they live
British Dictionary definitions for redline (2 of 2)
a point beyond which a person or group is not prepared to negotiate
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012