Meaning of the word "be done and dusted" in English

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

be done and dusted

US /bi dʌn ænd ˈdʌstɪd/
UK /bi dʌn ænd ˈdʌstɪd/
"be done and dusted" picture

Idiom

to be completely finished or successfully completed

Example:
Once this report is submitted, the whole project will be done and dusted.
Let's get this task done and dusted before lunch.