'Unthankful' definitions:

Definition of 'unthankful'

From: WordNet
adjective
Not feeling or showing gratitude; "ungrateful heirs"; "How sharper than a serpent's tooth it is / To have a thankless child!"- Shakespeare [syn: ungrateful, thankless, unthankful] [ant: grateful, thankful]

Definition of 'Unthankful'

From: GCIDE

Words containing 'Unthankful'