Définition "flare" dans le dictionnaire Collins English Dictionary & Thesaurus

flare (flares plural & 3rd person present) (flaring present participle) (flared past tense & past participle )

1 n-count A flare is a small device that produces a bright flame. Flares are used as signals, for example on ships.
...a ship which had fired a distress flare.

2  verb If a fire flares, the flames suddenly become larger.
Camp fires flared like beacons in the dark.  V
  Flare up means the same as flare., phrasal verb

3  verb If something such as trouble, violence, or conflict flares, it starts or becomes more violent.
Even as the President appealed for calm, trouble flared in several American cities.  V
  Flare up means the same as flare., phrasal verb

4 verb If people's tempers flare, they get angry.
Tempers flared and harsh words were exchanged. V

5 verb If someone's nostrils flare or if they flare them, their nostrils become wider, often because the person is angry or upset.
I turned to Jacky, my nostrils flaring in disgust... V

6 verb If something such as a dress flares, it spreads outwards at one end to form a wide shape.
...a simple black dress, cut to flare from the hips. V

7 n-plural Flares are trousers that are very wide at the bottom.

8
→ flared flare up phrasal verb If a disease or injury flares up, it suddenly returns or becomes painful again.
Students often find that their acne flares up before and during exams. V P
→ flare 2, 3
→ flare-up