1. In a responsible manner.

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

• responsiblie,
• responsibitly,
• respnsible,
• reasponsible,
• reponsible,
• responscible,
• responsuble,
• responsibltys,
• responsisble,
• respoonsible,
• responsigble,
• rersponsible,
• responsib,
• resonsibly,
• responsibaly,
• responsiby,
• responsibvle,
• responsabl,
• responsibilly,
• responsibilyt

• responder,
• responsive,
• response,
• response time,
• responsibility,
• responsiveness,
• responsible.

The adjective form of the word "responsibly" is "responsible".

The plural form of "responsibly" is "responsibly." The word does not change in its plural form as it is an adverb.

The singular form of the word "responsibly" is "responsibility"