This is the 15756th most frequent German word.
zwielichtiger
"Zwielichtiger" means "dubious," "suspicious," or "shady" in English.
The word "zwielichtiger" here is used as an adjective describing the man as shady or suspicious.
Die zwielichtiger Mann wurde von der Polizei beobachtet.
The shady man was observed by the police.
"Zwielichtiger" is utilized to describe the business, implying that it operates in a dubious or questionable manner.
Das zwielichtiger Geschäft hat viele Menschen verunsichert.
The shady business has left many people uneasy.
In this sentence, "zwielichtiger" refers to intentions, suggesting they are morally ambiguous or dishonest.