adv. Obs. [f. the adj. + -LY2.] In a manner that concerns or involves concern.
1643. Plain English, 27. It will now be found most concerningly necessary to looke at the present Army as the best ground-work of safety.
1659. Pearson, Creed (1839), 21. I am more concerningly persuaded of them, than of any thing I see or know.