out of one's depth
out
aʊt
awt
of
əv
ēv
<i>one's</i>
wʌnz
vanz
depth
dɛpθ
depth

Definition & Meaning of "out of one's depth"in English

out of one's depth
01

in a very nervous or frustrating state of mind in face of a problem or situation one knows very little or nothing about 

out of {one's} depth definition and meaning
Idiom
Informal

What is the origin of the idiom "out of one's depth" and when to use it?

The idiom "out of one's depth" has its origins in nautical terminology. It draws from the idea of a person swimming or floating in water that is deeper than their own height, making it difficult for them to touch the bottom or stay afloat. This expression is used to describe a situation in which someone lacks the necessary skills, knowledge, or experience to cope with or understand what is happening.

Examples
After the first week in the new role, I felt completely out of my depth. 
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