1. Extremely and sharply
   - bitterly, bitingly, bitter 
2. In a shrill voice
   - shrilly

See also: piercing

• Duplicidentata
• duplicitous
• duplicity
• dura
• dura mater
• durability
• durable
• durable goods
• durable press
• durables
• durably
• Durabolin
• dural
• Duralumin
• duramen
• durance
• Durango
• Durant
• Durante
• duration
• durative
• durative aspect
• Durazzo
• Durban
• durbar