1. Standing out or above the rest; still existing.

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

• exract,
• extert,
• exitant,
• existant,
• extance,
• extict,
• exent,
• extink,
• extinkt,
• extiont,
• exband,
• expent,
• exting,
• ectent,
• exlent,
• exstand,
• exilant,
• exelant,
• extnd,
• exstent

• exodontia,
• extent,
• excitant,
• extend,
• extinct,
• exodontic.

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

The plural form of "extant" is "extants".

The singular form of the word "extant" is "extant". It is an adjective and does not have a separate singular form.