The term "be grudging" refers to something done with reluctance or resentment. There are several antonyms (opposite words) for be grudging that convey positive feelings, including to give generously, to be open-handed, to offer willingly, and to share eagerly. Other antonyms include to welcome wholeheartedly, to embrace warmly, to give with pleasure, to grant willingly, and to bestow generously. Using these antonyms in conversation or writing can help create a more positive tone and convey a spirit of generosity and goodwill.