flare up's Usage Examples:

Over the weekend of August 17, high winds caused the fire to flare up and spread eastward towards Cooper Landing.

the disease are the most common, consisting solely of skin rashes that flare up under certain conditions such as high humidity, high stress, or tight-fitting.

many black residents left Knoxville, and racial violence continued to flare up sporadically in subsequent years.

Iskra's motto was "Из искры возгорится пламя" ("From a spark a fire will flare up") — a line from the reply Alexander Odoevsky wrote to the poem by Alexander.

right to lay investiture in the Concordat of Worms (1122), the issue would flare up again.

Synonyms:

light; ignite; inflame; kindle;

Antonyms:

extinguish; exit; decrease; decelerate; de-escalate;