1. That can not be satisfied.

2. Incapable of being satisfied or appeased.

3. Insatiably.

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

• insaitable,
• insationable,
• insatialbe,
• unatiable,
• insaciable,
• insatable,
• unsatable,
• ensatiable,
• inevtiable,
• unsatible,
• inhabiable,
• instiable,
• instaiable,
• insatible,
• insaitioble,
• insasiable,
• insaneable,
• insasable,
• insashable,
• invetiable

• inactive,
• incitive,
• inchoative,
• in style,
• in store,
• institute,
• instigate,
• inositol,
• insatiably,
• in stride,
• insatiate,
• instigator,
• instigant,
• inestimable,
• instigative,
• instill,
• inextirpable.

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

The plural form of the word "insatiable" is "insatiables".

The singular form of the word "insatiable" is "insatiability"