Meaning of the word "in a stew" in English

What does "in a stew" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

in a stew

US /ɪn ə stu/
UK /ɪn ə stjuː/
"in a stew" picture

Idiom

in a state of anxiety or agitation

Example:
She's been in a stew all morning about the presentation.
Don't get in such a stew over a small mistake.