ずぶのMeanings1pre-noun adjectivalcomplete; total; absoluteEmphasizes that someone is thoroughly something, often a beginner, amateur, or layperson. Used in set phrases like ずぶの素人 (complete amateur) or ずぶのしろうと.See also: ずぶ彼かれはずぶの素人しろうとだから、あまり期き待たいしないでください。He's a complete amateur, so please don't expect too much.ずぶExpressionsずぶの素人しろうとabsolute beginner; complete amateur