flare-up

noun

ˈfler-ˌəp 

1

: a sudden outburst or intensification

a flare-up of hostilities

2

: a sudden bursting (as of a smoldering fire) into flame or light

a danger of flare-ups

3

: a sudden appearance or worsening of the symptoms of a disease or condition

an asthmatic flare-up

Synonyms

• burst
• flare
• flash
• flicker
• flurry
• flutter
• outbreak
• outburst
• spurt

Examples of flare-up in a Sentence

took medication to prevent a flare-up of her asthma

there's no need for an angry flare-up, as we'll take care of the problem immediately

Recent Examples on the Web

Limit triggers like harsh chemicals and drying ingredients. Reduce stress levels and get plenty of sleep, as stress can worsen dandruff symptoms or prompt flare-ups. —Cristina Mutchler, Verywell Health, 29 Oct. 2024

But why might seasonal changes trigger flare-ups in people with chronic illness? —Alyssa Hui, Health, 28 Oct. 2024

But the often-not-so-secret CIA wars will continue just over the U.S.-Mexico border, with Joe juggling nation-saving combat and family flare-ups at home. —Bryan Alexander, USA TODAY, 27 Oct. 2024

While studies show the 2% formulations are more effective at eliminating symptoms and preventing future flare-ups, this drugstore shampoo is a good option for those with more mild cases or those who don’t want to visit a dermatologist. —Brigitt Earley, Glamour, 24 Oct. 2024

Word History

First Known Use

1839, in the meaning defined at sense 1

Kids Definition

flare-up

noun

ˈfla(ə)r-ˌəp,

ˈfle(ə)r-

: a sudden burst (as of flame or anger)

Medical Definition

flare-up

noun

-ˌəp 

: a sudden appearance or worsening of the symptoms of a disease or condition

an asthmatic flare-up