ENGLISH
REFERENCE

flare up

phr. v..
B2 Upper Intermediate Oxford

phr. v.. to suddenly start again or become more active, like a fire, an illness, or an argument.

phr. v.. to recur or intensify suddenly after a period of dormancy or low activity; often used for medical conditions, social unrest, or physical combustion.


SIMPLE

My back pain tends to flare up when it is cold.

CONTEXTUAL

Violence began to flare up in the city after the new laws were announced by the government.

COMPLEX

Although the chronic infection appeared to be in remission, the symptoms would occasionally flare up during periods of extreme physical exhaustion.

Particles
up
Separability
inseparable
Pattern
flare + up
Usage

often used with medical conditions like 'arthritis' or 'allergies', or with social 'tension' and 'violence'.

Teaching tip

use the image of a fire suddenly getting bigger to help students remember the meaning for abstract things like anger or skin rashes.

Pitfall

His anger flared it up.His anger flared up.this phrasal verb is intransitive when describing a situation or condition, so it does not take a direct object between the verb and particle.

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