1. Exceeding due bounds; not under any rule.

2. Excessive.

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

• exhorbinant,
• exobitant,
• exorbient,
• exhorbitent,
• exorbiant,
• exorbenant,
• exorborant,
• exorbitent,
• exorbident,
• exorbatant,
• exorbanant,
• exorbinant,
• exorbidant,
• exorbant,
• exhorbitant,
• exhorbtant,
• exorberant,
• exhorbetant,
• exorbittant,
• Exorbitansy

• exorbitantly,
• exurbia,
• exorbitance.

The adjective form of "exorbitant" is "exorbitant".

The plural form of "exorbitant" is "exorbitants". However, the plural form is very rare and not commonly used. It is more common to use "exorbitant" as an uncountable noun, meaning it does not have a plural form.

The singular form of the word "exorbitant" is "exorbitance"