ppl. a. (UN-1 10.)
1611. Cotgr., Mescognoissant, vnacknowledging, ignorant, vngratefull.
1656. Earl Monm., trans. Boccalinis Advts. fr. Parnass., I. xxxiii. 38. He desired, that as an unacknowledging and ungrateful man, he might receive condign punishment.
1697. Collier, Ess. Mor. Subj., II. (1709), 35. Who could have imagined People so strangely stupid and unacknowledging?
1752. Mrs. Lennox, Fem. Quixote, III. viii. 208. Your Condition shall be never the worse for Miss Glanvilles unacknowledging Temper . You are almost as unacknowledging as your Sister.