Early 1900s
Somewhat dated
Definition
Excellent, splendid, great.
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Where "Bonzer" Comes From
"Bonzer" (also spelled bonza) has an uncertain origin, though some language researchers link it to an obsolete Australian word "bonster."
It's been part of Australian slang since at least the early 20th century, sitting alongside similar words of praise like "grouse" and "ripper" as one of the classic ways to say something is first-rate.
Example Sentence
"That was a bonzer day out on the water."
How Aussies Actually Use It
"Bonzer" is a straightforward compliment, used for anything from a great meal to a beautiful day or a job well done.
It has an old-fashioned, cheerful ring to it and tends to be used more by older generations, though it's still widely understood across Australia.
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