Wiktionary
adv. In a concerted manner
Usage examples of "concertedly".
For ten days they worked concertedly, bedding down in the enclosure every night as the night grew shorter.
The brutes came plodding concertedly down the slope on which they had remained poised.
Effusive enough when introduced to Lucy in the hall, Gwyn was now concertedly loving her upon a sofa beneath the mullioned window, against a galaxy of lamplit snow.
He bent down and pulled a plug from Andrej’s helmet, disconnecting the Construct Council, which was still concertedly attempting to bypass the circuit-valve and gain control of the crisis engine.
First signs of it buggering up, she feared, remembering a frustrated few hours waiting for a locksmith on the doorstep of her former home in Blackheath, after she and her flatmates had concertedly ignored the ancient Chubb's progressive deterioration.