1. Not recognized; not owned.

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

• unacknoledged,
• unknowledged,
• unaknowleged,
• ynacknowledged,
• hnacknowledged,
• jnacknowledged,
• inacknowledged,
• 8nacknowledged,
• 7nacknowledged,
• ubacknowledged,
• umacknowledged,
• ujacknowledged,
• unacnowledged,
• unacknowleged,
• unacknowleded,
• unacknowledge,
• unacknowldeged,
• unnacknowledged,
• unacnoledged,
• Unacknoledge

• unconcealed,
• unconsolidated,
• unknowledgeable,
• unconsolable.

The adjective form of "unacknowledged" is "unacknowledged".

The plural form of "unacknowledged" is "unacknowledgeds". However, it is important to note that the word "unacknowledged" is not commonly used in its plural form because it is usually used as an adjective rather than a noun.

The singular form of the word "unacknowledged" is "unacknowledged". It is both the singular and plural form of the word, meaning it does not change in either case.