1. In a frivolous manner.

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

• frivorously,
• friviously,
• frivilously,
• frivously,
• drivolously,
• crivolously,
• vrivolously,
• grivolously,
• trivolously,
• rrivolously,
• feivolously,
• fdivolously,
• ffivolously,
• frvolously,
• frivolusly,
• frivoluosly,
• frivolouslyy,
• Frvoilously,
• Frivolasly,
• Frivioulsy

• frivolity,
• fabulously,
• frivol away,
• frivolousness,
• frivolous,
• marvelously,
• previously.

The adjective form of "frivolously" is "frivolous".

The plural form of the word "frivolously" is "frivolously".

The singular form of the word "frivolously" is "frivolous".