Verb
roar back (third-person singular simple present roars back, present participle roaring back, simple past and past participle roared back)
(intransitive, idiomatic) To suddenly become active, powerful or functional after a period of decline.
Synonyms: come roaring back, roar to life
Political intrusion using a stick or carrot to bribe or force one individual business to do what politicians insist, versus establishing policy incentivizing our ENTIRE ethical economic engine to roar back to life, isn't the answer. Sarah Palin