one's heart sinks en · X
Meanings
-
(figuratively) To experience great sadness.
The door opened and her aunt's maid, Amanda, smiled. "Miss Elizabeth, it's wonderful to see you. Mrs. Watson and your father are waiting for you in her study." Her heart sank. She'd hoped for some time alone with her aunt.
2014, Janet Lee Barton, A Home for Her Heart, Harlequin, →ISBN, page 13: