1. A right-lined quadrilateral figure, whose opposite sides are parallel; popularly, when such a figure is longer than it is broad.

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

• parrellelogram,
• paralelogram,
• paralellogram,
• parallelgram,
• parallellograms,
• parallelagram,
• parrlelogram,
• paralelograms,
• paralleogram,
• parralelogram,
• parallelgoram,
• parrallelogram,
• oarallelogram,
• larallelogram,
• -arallelogram,
• parallelogramm,
• parrallellogram,
• parrallelogrm,
• parralleogram,
• parallegram

• parallelepiped,
• parallel-park,
• parallelize,
• parallel port,
• parallelopiped,
• parallel bars,
• parallelopipedon,
• Parallel Lives,
• parallelism.

The adjective form of the word "parallelogram" is "parallelogrammatic".

The plural of the "parallelogram" can be the "parallelograms".

The singular of the "parallelogram" can be the "parallelogram".