1. One who gives a thing a false appearance; one who makes false coin; one who invents falsehood; one who proves a thing to be false.

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

• falseified,
• falsifing,
• calsifer,
• falisified,
• falsefied,
• falsafied,
• dalsifier,
• calsifier,
• valsifier,
• galsifier,
• talsifier,
• ralsifier,
• falsifie,
• falcifier,
• falsifyer,
• basifieer,
• basiffier,
• Malpighien,
• gasifierr,
• gasifir

• falsifiable,
• falciform,
• fail-safe,
• falsify,
• falsifying.

The adjective form of the word "falsifier" is "falsifying".

The plural of the "falsifier" can be the "falsifiers".

The singular of the "falsifier" can be the "falsifier".