Related Clues:

• High-pitched
• Strident
• Ear-splitting
• Piercing
• High-pitched and piercing
• Ear-piercing
• Screechy
• Piercing, as a sound
• Irritatingly high-pitched
• Like many whistles
• High in an annoying way
• Like a cicada’s song
• Piercing and high-pitched
• High-pitched and sharp
• High-pitched and penetrating