Wiktionary
adv. In an unflagging manner.
Usage examples of "unflaggingly".
The police share all the evidence and are unflaggingly grateful for what assistance they receive.
The exuberant Teutonic chatter was balanced on the other side of the room by an even more penetrating conversation unflaggingly maintained by a party of Americans, who were sitting in judgment on the cuisine of the country they were passing through, and finding few extenuating circumstances.
Moreover, the publicity campaign was kept up unflaggingly till the very clash of arms began.
Before we had time to recover our spirits, we were indulged with some thought-reading by a young man whom one knew instinctively had a good mother and an indifferent tailor--the sort of young man who talks unflaggingly through the thickest soup, and smooths his hair dubiously as though he thought it might hit back.
He exhorted them to return to their dormitories in the meanwhile and do their homework, by candlelight if necessary, inasmuch as varsity political crises came and went, as indeed did colleges and curricula, but the research after Answers must unflaggingly persist.
Some were better dressed for the rain and the cold than others were, but all remained unflaggingly exuberant, dancing-playing-chasing in the nasty night, as though they were storm petrels born to wet wind and turbulent skies.