1. One who attends the bride groom.

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

• groosmen,
• froomsman,
• vroomsman,
• broomsman,
• hroomsman,
• yroomsman,
• troomsman,
• geoomsman,
• gdoomsman,
• gfoomsman,
• gtoomsman,
• g5oomsman,
• g4oomsman,
• griomsman,
• grkomsman,
• groomeman,
• groomsmam,
• groomesman,
• gromsman,
• groomsmen

• grooms,
• Grimshaw,
• Groomes.

The adjective form of the word "groomsman" is "groomsmen's".

The plural of the "groomsman" can be the "groomsmen".

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