1. Having the form of a pyramid.

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

• parammdical,
• pyramideal,
• pyramiddal,
• oyramidical,
• lyramidical,
• -yramidical,
• 0yramidical,
• ptramidical,
• pgramidical,
• phramidical,
• puramidical,
• p7ramidical,
• p6ramidical,
• pyeamidical,
• pydamidical,
• pyrmidical,
• pyramdical,
• pryamidical,
• pyramidicaly,
• pyramodial

• pyramid bugle,
• pyramidal bone,
• pyramidal,
• pyramiding,
• pyramidal tent,
• pyramidic,
• pyramid plant,
• pyramidically,
• paramedical.

The adjective form of the word "pyramidical" is "pyramidal".

The plural form of the word "pyramidical" is "pyramidicals".

The singular form of the word "pyramidical" is "pyramidical". The word does not change when converting from plural to singular form.