1. To compose sonnets.

2. A composer of sonnets.

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

• sonneter,
• aonneteer,
• zonneteer,
• xonneteer,
• donneteer,
• eonneteer,
• wonneteer,
• sinneteer,
• sknneteer,
• slnneteer,
• spnneteer,
• sonnewteer,
• sonnteer,
• sonneeteer,
• sonnetteer,
• sonnateer,
• sonnetear,
• Sonetteer,
• Sonneterrer,
• Sonetter

• somateria,
• sounder,
• soundtrack.

The adjective form of the word "sonneteer" is "sonneteering".

The plural of the "sonneteer" can be the "sonneteers".

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