1. (adverb) extremely and sharply

• bitingly
• bitter
• bitterly

2. (adverb) in a shrill voice

• shrilly

1. (adverb) extremely and sharply

• biting
• biting
• bitter
• bitter
• cutting
• keen
• knifelike
• lancinate
• lancinating
• piercing
• stabbing

2. (adverb) in a shrill voice

• sharp
• shrill