1. One who whistles.

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

• wistle,
• wistles,
• whilstle,
• whisteled,
• whisle,
• whisler,
• whisley,
• whiseley,
• whitle,
• wistled,
• westler,
• whislter,
• whistly,
• whisled,
• whisted,
• whistel,
• whisele,
• whistper,
• whiste,
• wistler

• whistle,
• whistlestop,
• whistling,
• waistline.

The adjective form of the word "whistler" is "whistling".

The plural of the "whistler" can be the "whistlers".

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