1. In a strenuous manner.

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

• strenuosly,
• stenuously,
• strenously,
• atrenuously,
• ztrenuously,
• xtrenuously,
• dtrenuously,
• etrenuously,
• wtrenuously,
• srrenuously,
• streniously,
• strenuosuly,
• strenuouslyy,
• streneously,
• strenousley,
• strenuosley,
• strenousily,
• steneously,
• strenuousity,
• stranuousity

• Starnose Mole,
• strenuous,
• sternpost,
• strenuousness,
• sternotherus,
• staringly,
• strenuosity.

The adverb form of "strenuous" is "strenuously".

The adjective form of the word "strenuously" is "strenuous".