1. Not done; not fulfilled.

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

• underformed,
• unenformed,
• ynperformed,
• hnperformed,
• jnperformed,
• inperformed,
• 8nperformed,
• 7nperformed,
• ubperformed,
• umperformed,
• unperforned,
• unpeerformed,
• unperformerd,
• uperformed,
• unpeformed,
• unperfomed,
• unperformd,
• unperfromed,
• unperformmed,
• unperfumed

• unforested,
• uniformed,
• unperson,
• unperplexed,
• unperturbed,
• uniparous,
• unperceptive,
• unpierced,
• unperceived,
• unfermented,
• unperceiving,
• unperceivable,
• unforced,
• unpersuaded,
• unformed,
• uniformize,
• unforeseen,
• unforbearing,
• unpermed,
• unforceful,
• uniformise.

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

The plural form of the word "unperformed" is "unperformed." The word does not change in form for both singular and plural usage.

The singular form of the word "unperformed" is "unperformed".