1. Nine times repeated.

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

• getefold,
• binefold,
• minefold,
• jinefold,
• hinefold,
• nunefold,
• njnefold,
• nknefold,
• nonefold,
• n9nefold,
• n8nefold,
• ninefild,
• ninefolde,
• niefold,
• ninfold,
• ninefod,
• ninfeold,
• nineofld,
• pinfolld,
• intefold

The adjective form of "ninefold" is "ninefold".

The plural form of "ninefold" is still "ninefold." The word "ninefold" is an adjective that describes something occurring or existing nine times. It does not change when used in the plural form.

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