to burn with an unsteady, swaying flame, as a torch or candle in the wind.
to blaze with a sudden burst of flame (often followed by up): The fire flared up as the paper caught.
to start up or burst out in sudden, fierce intensity or activity (often followed by up): His stomach problems have flared up.
to become suddenly enraged; express sudden, fierce anger or passion (usually followed by up or out): I’m not a person who flares easily. She sometimes flares out at the kids.
to shine or glow.
to spread gradually outward, as the end of a trumpet, the bottom of a wide skirt, or the sides of a ship.
to cause (a candle, torch, etc.) to burn with a swaying flame.
to display conspicuously or ostentatiously.
to signal by flares of fire or light.
to cause (something) to spread gradually outward in form.
Metallurgy. to heat (a high-zinc brass) to such a high temperature that the zinc vapors begin to burn.
to discharge and burn (excess gas) at a well or refinery.
a flaring or swaying flame or light, as of torches in the wind.
a sudden blaze or burst of flame.
a bright blaze of fire or light used as a signal, a means of illumination or guidance, etc.
a device or substance used to produce such a blaze of fire or light.
a sudden burst, as of zeal or of anger.
a gradual spread outward in form; outward curvature: the flare of a skirt.
something that spreads out.
Optics. light, often unwanted or extraneous, reaching the image plane of an optical instrument, as a camera, resulting from reflections, scattering by lenses, and the like.
Photography. a fogged appearance given to an image by reflection within a camera lens or within the camera itself.
Also called solar flare .Astronomy. a sudden and brief brightening of the solar atmosphere in the vicinity of a sunspot that results from an explosive release of particles and radiation.
Football. a short pass thrown to a back who is running toward a sideline and is not beyond the line of scrimmage.
Television. a dark area on a CRT picture tube caused by variations in light intensity.
- outflare, verb (used with object), out·flared, out·flar·ing.
- un·flared, adjective
- flair, flare
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use flare in a sentence
Either way, he and others think the campfire flares are important.
When applied to old data, the method anticipated several powerful flares, although it missed some as well.The physics of solar flares could help scientists predict imminent outbursts | Emily Conover | July 30, 2020 | Science News
Together, the small but ubiquitous flares could be a source of energy to the corona that astronomers haven’t accounted for.The closest images of the sun ever taken reveal ‘campfire’ flares | Lisa Grossman | July 16, 2020 | Science News
In the second scenario, which Metzger and his colleagues published last year, the flare of energy escapes the magnetosphere and travels a large distance — up to 1 million times the radius of the magnetar.A Surprise Discovery Points to the Source of Fast Radio Bursts | Shannon Hall | June 11, 2020 | Quanta Magazine
Specific features of those electron–gas interactions give each type of aurora its unique flare.Newfound ‘dunes’ is among weirdest of northern lights | Maria Temming | March 9, 2020 | Science News For Students
Both are the result of magnetic activity on the sun, but a solar flare has more energy than a CME.The Sun Is Pummeling Earth. Now What? Solar Storms for Dummies | Lizzie Crocker | September 12, 2014 | THE DAILY BEAST
In past flare-ups—documented on open carry forums—the grocery chain has said that it will comply with state laws.Gun Control Group Moms Demand Action Asking Kroger to Ban Guns in Stores | Brandy Zadrozny | August 18, 2014 | THE DAILY BEAST
In 1859, astronomer Richard Carrington observed a strong solar flare that was directed at the Earth.
The principle is sound, but the effect is small enough that another source entirely could be responsible for the extra flare-up.
His words have a nationalistic flare, and his story is gripping.
The old Negro watched the approaching flare of the head-light as he ran on, with a grim, defiant eye.A Lost Hero | Elizabeth Stuart Phelps Ward and Herbert D. Ward
His chuckle stopped as lightning flare threw the shadow of a man across the ground at Joseph's feet.
In order to keep the flare-lights burning all kinds of materials had been sacrificed.The Floating Light of the Goodwin Sands | R.M. Ballantyne
Jim agreed at once, handed over the care of his flare-lights to one of the men, and prepared for action.The Floating Light of the Goodwin Sands | R.M. Ballantyne
The furnishings are many hued, the cushions a flare of color, and the pictures fantastically futuristic.Fifty Contemporary One-Act Plays | Various
British Dictionary definitions for flare
to burn or cause to burn with an unsteady or sudden bright flame
to spread or cause to spread outwards from a narrow to a wider shape
(tr) to make a conspicuous display of
to increase the temperature of (a molten metal or alloy) until a gaseous constituent of the melt burns with a characteristic flame or (of a molten metal or alloy) to show such a flame
(tr sometimes foll by off) (in the oil industry) to burn off (unwanted gas) at an oil well
an unsteady flame
a sudden burst of flame
a blaze of light or fire used to illuminate, identify, alert, signal distress, etc
the device producing such a blaze
a spreading shape or anything with a spreading shape: a skirt with a flare
a sudden outburst, as of emotion
the unwanted light reaching the image region of an optical device by reflections inside the instrument, etc
the fogged area formed on a negative by such reflections: See also solar flare
astronomy short for solar flare
aeronautics the final transition phase of an aircraft landing, from the steady descent path to touchdown
an open flame used to burn off unwanted gas at an oil well
- flared, adjective
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