
1) Acted brattily 2) Acted like a brat 3) Addressed flippantly 4) Answered impudently 5) Answered like a brat 6) Answered tartly 7) Answered with attitude 8) Answered with cheek 9) Back-talked 10) Behaved brattily 11) Displayed mouth 12) Disrespected 13) Disrespected outwardly 14) Dissed 15) Gave a lot of lip
Found on
https://www.crosswordclues.com/clue/sassed

1) Backtalked
Found on
https://www.crosswordclues.com/clue/sassed
No exact match found.