1. In ancient Greece, the space of four years between one celebration of the Olympic games and another, a system of chronology which reckons from 776 B.C.

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

• olypiad,
• olmpiad,
• olympid,
• olimpia,
• olympin,
• olimpian,
• olympiv,
• olimpiad,
• olyimpian,
• olympaid,
• olympiads,
• olympiade,
• olympyad,
• olympian,
• olympiod,
• olimpiada,
• Olimpiade,
• Olymphiah,
• Olimpyah,
• Olympioh

• Olympic God,
• olympic,
• olympics,
• olympus,
• olympia,
• Olimpia,
• olympian.

The adjective form of the word "olympiad" is "Olympic".

The plural of the "olympiad" can be the "olympiads".

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