Meaning of the word "deep end" in English

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

deep end

US /ˈdiːp ˌɛnd/
UK /ˈdiːp ˌɛnd/
"deep end" picture

Noun

the end of a swimming pool where the water is deepest

Example:
He jumped straight into the deep end of the pool.
Be careful near the deep end if you can't swim well.

Idiom

to start a new activity or job without much preparation or experience

Example:
They threw me into the deep end on my first day at work.
She had to learn to swim by being thrown into the deep end.