1. Having rainbow colours.

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

• irodesent,
• irridescent,
• irridesent,
• irridencent,
• irradescent,
• irredescent,
• iridesent,
• indescent,
• iredesent,
• iredescent,
• irridecent,
• irridescant,
• iridecent,
• iradescent,
• iridenscent,
• iredecent,
• irdescent,
• iridiscent,
• iridecsent,
• iridesces

• iridaceous,
• iridescence,
• iridectomy,
• iridaceae,
• iridesce,
• iridescently.

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

The plural form of the word "iridescent" is "iridescents".

The singular form of the word "iridescent" is "iridescence"