1. That may be breathed.

2. That may be breathed: fit for respiration.

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

• irespirable,
• prespirable,
• persiprable,
• perspirrable,
• requirabel,
• eespirable,
• fespirable,
• tespirable,
• 5espirable,
• 4espirable,
• rwspirable,
• respierable,
• respirables,
• respirabled,
• respirale,
• respirablle,
• respirablee,
• Respirible,
• respirablenes,
• unrespirabe

The adjective form of the word "respirable" is "respirable".

The plural form of the word "respirable" is "respirables".

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