1. In a hazardous manner.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• hazardouse,
• gazardously,
• bazardously,
• nazardously,
• jazardously,
• uazardously,
• yazardously,
• hzzardously,
• hszardously,
• hwzardously,
• hqzardously,
• haxardously,
• hasardously,
• haaardously,
• hazzrdously,
• hazsrdously,
• hazzardously,
• hazrdously,
• hazadously,
• hazardusly

• hazards,
• hazardousness,
• Hazarding,
• hazardous,
• haggardly,
• hazardia.

The adjective form of "hazardously" is "hazardous".

The plural form of the word "hazardously" is "hazardously". This is because "hazardously" is an adverb, and adverbs do not typically have plural forms.

The singular form of the word "hazardously" is "hazardous"