old-fashioned to be worried and confused about something.
She was in a stew over the party arrangements.
be in a stew
To be worried and flummoxed about something. Mom is in a stew because she just found out that we're hosting all of our relatives for Christmas—which is three days away.
be in a ˈstew (about/over something)
,
get (yourself) into a ˈstew (about/over something)
(informal) be/become very worried or nervous (about something): She’s in a stew over what she’s going to wear to the party tonight.