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Related to flare: solar flare
to spread out; to widen. (Said especially of one opening of a tube or round-topped vessel.) The end of the pipe flared out to a larger diameter. The top of the vase flared out, and was decorated with little blobs of colored glass.
flare something out
to spread something out; to make something wider. (Said especially of one end of a tube or round-topped vessel.) Can you flare the end of this pipe out a little? Flare out the end of this pipe.
1. Lit. [for something] to ignite and burn. The firewood flared up at last—four matches having been used.
2. Lit. [for a fire] to burn brightly again and expand rapidly. After burning quietly for a while, the fire suddenly flared up and made the room very bright.
3. Fig. [for a pain or medical condition] to get worse suddenly. My arthritis flares up during the damp weather.
4. Fig. [for a dispute] to break out or escalate into a battle. A war flared up in the Middle East. We can't send the whole army every time a dispute flares up.
5. and flare up at someone or something Fig. to lose one's temper at someone or something. I could tell by the way he flared up at me that he was not happy with what I had done. I didn't mean to flare up.
to happen suddenly Severe thunderstorms flare up there at almost any time during the summer. You may not feel like chopping vegetables when the pain in your hands flares up.
Etymology: based on the literal meaning of flare up (to suddenly burn brightly)
Suddenly become angry, as in She flared up at the slightest provocation. This metaphoric expression, dating from the mid-1800s, transfers a sudden burst of flame to sudden rage.
1. To curve away distinctly: This skirt flares out below the knee.
2. To emit a flame or something shaped like a flame: The candles we were carrying flared out in the night. A beacon flared out from the lighthouse.
3. To make a sudden, angry verbal attack: The sergeant flared out at the troops.
1. To begin to increase in intensity: My rash flared up when I went outdoors into the sunshine.
2. To express sudden, strong negative emotions, especially anger or hate: The store manager flared up when the employee started talking back.