Synonyms of regrettably
- 2 Syllables
- quite, very, badly
- 3 Syllables
- sorely, gravely, grievously, harmfully
- 4 Syllables
- distressingly, intensely, severely, disastrously, lamentably, deplorably, acutely, threateningly, menacingly, perilously, precariously, decidedly
- 6 Syllables
- unfortunately