1. He who or that which impairs.

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

• impairedd,
• impaired,
• umpairer,
• jmpairer,
• kmpairer,
• ompairer,
• 9mpairer,
• 8mpairer,
• inpairer,
• ikpairer,
• ijpairer,
• imoairer,
• imlairer,
• imparer,
• impahrer,
• impareer,
• Impareir,
• Impaireir,
• Imparear,
• Impaireid

• impair,
• imipramine,
• impart,
• impairment,
• impure,
• impaired.

The adjective form of the word "impairer" is "impaired".

The plural of the "impairer" can be the "impairers".

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