Meaning of the word needn't in English

What does needn't mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

needn't

US /ˈniːdnt/
UK /ˈniːdnt/
"needn't" picture

Contraction

contraction of need not

Example:
You needn't worry about a thing.
We needn't rush; we have plenty of time.