English dictionary
thankless
/'/T//&//N/kl/I/s/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
adjective
-
not feeling or showing gratitude
ExamplesHow sharper than a serpent's tooth it is / To have a thankless child!
Source: WordNet 3.0
-
Not acknowledging favors; not expressing thankfulness; unthankful; ungrateful.
Source: webster1913
adjective satellite
-
not likely to be rewarded
ExamplesGrading papers is a thankless task.
Source: WordNet 3.0