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Definition

To suddenly become active, powerful or functional after a period of decline.

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In Context

  • "They would test their novel cancer vaccine against one of the most virulent forms of the disease, a cancer notorious for roaring back even in patients whose tumors had been removed."
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Also Said As

  • come roaring back
  • roar to life
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Related Idioms

g

get on the stick

To get started; to begin working; to become active.

 c

come online

To enter service or become active.

 c

come out of one's shell

To become more socially active or gregarious.

 c

cool one's jets

To become less excited, intense, or active; to exercise self-restraint…

 g

get back on the horse

To return to an activity after a period of abstaining from the activit…

 f

find another gear

To suddenly achieve an extra burst of athletic performance, especially…
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