1. A man whose business is to extinguish fires; a man who tends the fires of a steam-engine, &c.

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

• foremans,
• firein,
• firen,
• fierman,
• firemans,
• fresman,
• frehman,
• greman,
• firmen,
• freman,
• fileman,
• firman,
• firmon,
• reman,
• firegin,
• firemens,
• fruman,
• fremon,
• fiream,
• frieman

• foreman,
• firmament,
• firmiana,
• Firman,
• freeman,
• Foremen,
• Firemen.

The adjective form of the word "fireman" is "fireman's" (possessive form) or "firefighter".

The plural of the "fireman" can be the "firemen".

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