This is the 15282nd most frequent German word.
ungenau
Imprecise; inaccurate.
In this sentence, 'ungenau' is used to describe the report as having inaccuracies or lacking precision.
Der Bericht war sehr ungenau.
The report was very inaccurate.
Here, 'ungenau' refers to the statements being vague or not specific regarding the time.
Seine Angaben über die Zeit waren ungenau.
His statements about the time were imprecise.
The term 'ungenau' in this context describes the ruler as being faulty or not suitable for detailed measurements.