1. Grizzled.

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

• grievous,
• friseous,
• vriseous,
• briseous,
• hriseous,
• yriseous,
• triseous,
• geiseous,
• gdiseous,
• gfiseous,
• gtiseous,
• g5iseous,
• g4iseous,
• gruseous,
• grjseous,
• grkseous,
• grizeous,
• griseus,
• griesous,
• Gresious

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

The plural form of the word "Griseous" does not change. It remains as "Griseous" in both singular and plural contexts.

The singular form of the word "Griseous" is "griseous".