1. Not effectual; vain; useless.

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

• abavailable,
• unavailble,
• uinavailable,
• unavaoidable,
• unavalible,
• unavailbe,
• unabailable,
• unavaliable,
• unavailiable,
• unavailalble,
• univalable,
• unbavailable,
• unavaillable,
• unavaiable,
• unavailabe,
• unvailable,
• unavaible,
• unavailible,
• unasailably,
• unnavailable

• unhappily,
• unfailing,
• unavailability,
• unpalatability,
• unveiled,
• unifilar,
• unavailing,
• unpalatable,
• unpalatably.

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

The plural form of the word "unavailable" remains the same.

The singular form of the word "unavailable" is "unavailability"