FAQs About the word thankless

배은망덕한

not feeling or showing gratitude, not likely to be rewardedNot acknowledging favors; not expressing thankfulness; unthankful; ungrateful., Not obtaining or dese

무례한,적의,배은망덕한,생각없는,불친절한

감사하는,감사하는,빚진,감사한,은혜를 받다,공손한,자비로운,감사한,의무가 있는,기뻐합니다

thanking => 감사하다, thankfulness => 감사함, thankfully => 다행히도, thankful => 감사한, thanked => 고마운,