Words similar to dunno

Example sentences for: dunno

How can you use “dunno” in a sentence? Here are some example sentences to help you improve your vocabulary:

(So why didn't we name it Slate Navigator ? We dunno.
Eric Alterman replies: I dunno.
Other common lexical items that are often altered include elided verb forms (wanna, canna, dunno) and question words linked to verbs (wodya, owja).
I dunno, I have a fond spot in my anti-free-trade heart (ever notice how the only thing "free" about free trade is the average salary the corporations have in mind for the rest of us?)
I dunno.