1

flare

noun \ ˈfler \
Updated on: 17 Nov 2017

Definition of flare

1 a :a fire or blaze of light used especially to signal, illuminate, or attract attention; also :a device or composition used to produce such a flare
  • The airport set flares to guide the landing plane at night.
2 :an unsteady glaring light
b :solar flare; also :a sudden increase and decrease in the brightness of a star often amounting to a difference of several magnitudes (see magnitude 3)
3 a :a sudden outburst (as of excitement or anger)
  • a flare of tempers in the courtroom
b :flare-up 3
  • a flare of disease
4 a :a spreading outward; also :a place or part that spreads
b :an area of skin flush
  • a flare of reddened skin
5 :light resulting from reflection (as between lens surfaces) or an effect of this light (such as a fogged or dense area in a photographic negative)
6 a :a short pass in football thrown to a back who is running toward the sideline
b :a weakly hit fly ball in baseball
  • a flare into short right field
7 flares plural :pants that flare toward the bottom

Examples of flare in a Sentence

  1. the sudden flare of the match

  2. When the crew saw flares, they knew the other ship was in trouble.

Recent Examples of flare from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'flare.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of flare

origin unknown


2

flare

verb

Definition of flare

flared; flaring
intransitive verb
1 a :to burn with an unsteady flame
b :to stream in the wind
2 a :to shine with a sudden light
  • a match flares in the darkness
b (1) :to become suddenly excited or angry usually used with up
(2) :to break out or intensify usually suddenly or violently often used with up
c :to express strong emotion (such as anger)
3 :to open or spread outward
  • the pants flare at the bottom
transitive verb
1 :to display conspicuously
  • flaring her scarf to attract attention
2 :to cause to flare
  • the breeze flares the candle
3 :to signal with a flare or by flaring
4 :to burn (a jet of waste gas) in the open air

Examples of flare in a Sentence

  1. pants that flare at the bottom

  2. The bull flared its nostrils.

Recent Examples of flare from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'flare.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of flare

see 1flare



FLARE Defined for English Language Learners

flare

noun

Definition of flare for English Language Learners

  • : a light that shines brightly and briefly

  • : a very bright light that is used to give a signal, to light up something, or to attract attention; also : a device that produces such a light

  • : a sudden expression of anger


flare

verb

Definition of flare for English Language Learners

  • : to shine or burn suddenly and briefly

  • : to become suddenly excited, angry, or active

  • : to open or spread outward


FLARE Defined for Kids

1

flare

verb \ ˈfler \

Definition of flare for Students

flared; flaring
1 :to burn with an unsteady flame
  • … they watched the fire … flaring through the fog …
  • —Charles Dickens, The Cricket on the Hearth
2 :to shine or burn suddenly or briefly
  • A match flared in the darkness.
3 :to become angry or active
  • She flared up at the remarks.
  • His asthma has flared up.
4 :to spread outward
  • Her nostrils flared.

2

flare

noun

Definition of flare for Students

1 :a sudden blaze of light
  • the flare of a match
2 :a blaze of light used to signal, light up something, or attract attention
3 :a device or material used to produce a flare
  • The emergency kit included flares.
4 :a sudden outburst
  • She displayed a flare of anger.
5 :a spreading outward :a part that spreads outward
  • the flare of a skirt

Medical Dictionary

1

flare

intransitive verb \ ˈfla(ə)r, ˈfle(ə)r \

medical Definition of flare

flared; flaring
:to break out or intensify rapidly :become suddenly worse or more painful often used with up
  • your gallstones flare up
  • —W. A. Nolen

2

flare

noun

medical Definition of flare

1 :flare-up
  • Without effective urate lowering, many such patients progress to severe chronic gout characterized by frequent arthritic flares
  • —John S. Sundy et al.The Journal of the American Medical Association17 Aug. 2011
2 :an area of skin flush resulting from and spreading out from a local center of vascular dilation and hyperemia
  • urticarial flare
3 :a cloudy or smoky appearance of the fluid of the anterior chamber of the eye that is seen when a beam of light (as from a slit lamp) is passed through it and that is caused by the presence of floating protein material in the fluid which is a symptom of inflammation
  • Flare means that we can actually see the beam of light from the slit lamp traveling through the aqueous humor. This is similar to being able to see the beam of light coming from a movie projector in a dusty room.
  • —Jay B. LavineThe Eye Care Sourcebook2001
called also aqueous flare


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