Meaning of the word "not either" in English

What does "not either" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

not either

US /nɑt ˈaɪðər/
UK /nɒt ˈaɪðə/

Phrase

used to say that a negative statement is also true for someone or something else

Example:
I don't like coffee, and my sister doesn't either.
He can't swim, and I can't either.