Thankless

مترادف و متضاد thankless

1. adjective unappreciated
   Synonyms: barren, disagreeable, distasteful, fruitless, futile, miserable, not worth it, ungrateful, unpleasant, unprofitable, unrecognized, unrequited, unreturned, unrewarding, useless, vain, wretched
   Antonyms: appreciated, contented, grateful, rewarded, satisfied, thankful
2. adjective unappreciative, inconsiderate (in behavior)
   Synonyms: careless, cruel, heedless, inappreciative, rude, self-centered, thoughtless, ungracious, ungrateful, unmindful, unthankful
   Antonyms: appreciative, considerate, grateful, thankful