unthankful

2 definitions found

unthankful - Collaborative International Dictionary of English v.0.48 :

  Unthankful \Unthankful\
     See thankful.

unthankful - WordNet (r) 2.1 (2005) :

  unthankful
      adj 1: 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]