Did you know?

Click any word in a definition or example to find the entry for that word

flare up

 - definition

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.



The thesaurus of synonyms and related words is fully integrated into the dictionary entries. Click on the T button in an entry to review the synonyms and related words for that meaning.

phrasal verb [intransitive]
Word Forms
present tense
I/you/we/theyflare up
he/she/itflares up
present participleflaring up
past tenseflared up
past participleflared up

Related dictionary definitions

  1. 1
    same as flare2 (sense 1)

    The fire could flare up again at any time.

  2. 2
    same as flare2 (sense 3)

    It looked as if the fighting might flare up again.

See also main entry: flare


the belief that every problem has a solution based in technology

BuzzWord Article

Open Dictionary

chicken raffle

any random process, such as a competition in which a name is drawn from a hat

add a word


A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog