ingrate (adj.)
ungrateful, unthankful, unappreciative
1H4 I.iii.135 [Hotspur to Northumberland] this ingrate and cankered Bolingbroke
Cor V.ii.82 [Coriolanus to Menenius] That we have been familiar, / Ingrate forgetfulness shall poison
KJ V.ii.151 [Bastard to rebel lords] you ingrate revolts
TN V.i.111 [Orsino to Olivia] You uncivil lady, / To whose ingrate and unauspicious altars / My soul the faithfull'st offerings have breathed out
TS I.ii.267 [Tranio as Lucentio to Petruchio, of Bianca] whose hap shall be to have her / Will not so graceless be to be ingrate