1. That which stupefies.

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

• atupefier,
• ztupefier,
• xtupefier,
• dtupefier,
• etupefier,
• wtupefier,
• srupefier,
• sfupefier,
• sgupefier,
• syupefier,
• s6upefier,
• s5upefier,
• stupedier,
• stupfier,
• stupifer,
• Stupifir,
• Stupifyer,
• Stupifiar,
• Stoopefier,
• Stupifiir

The adjective form of the word "stupefier" is "stupefying".

The plural form of the word "Stupefier" is "Stupefiers".

The singular form of the word "Stupefier" is "Stupefier".