(a.) Not obtaining or deserving thanks; unacceptable; as, a thankless task.
(a.) Not acknowledging favors; not expressing thankfulness; unthankful; ungrateful.
Thankless tanım:
Kelime: thank·less Söyleniş:'tha[ng]-kl&s İşlev:adjective 1 : not expressing or feeling gratitude : UNGRATEFUL how sharper than a serpent's tooth it is to have a thankless child -- Shakespeare 2 : not likely to obtain thanks: UNAPPRECIATED a thankless task - thank·less·lyadverb - thank·less·nessnoun