1. In a faulty manner.

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

• fultiley,
• facultly,
• faulsly,
• falily,
• futily,
• falmily,
• fautly,
• fauctly,
• faultly,
• facitily,
• faulsely,
• faulity,
• faultsly,
• faultls,
• faulltily,
• faultyly,
• faultaly,
• FaUTIL,
• faunilly,
• Fautuill

• fulfill,
• fault,
• faultlessly,
• fault line.

The adjective form of the word "faultily" is "faulty".

The plural form of the word "faultily" is "faultilies".

The singular form of the word "faultily" is "faulty"