Meaning of the word dunno in English

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

dunno

US /dəˈnoʊ/
UK /dəˈnəʊ/
"dunno" picture

Contraction

contraction of "don't know" or "does not know"

Example:
I dunno what to do.
She dunno where she put her keys.