1. Extremely and sharply
   - piercingly, bitterly, bitter

See also: biting

• uncertainty
• uncertainty principle
• uncertified
• unchain
• unchained
• unchallengeable
• unchallenged
• unchangeability
• unchangeable
• unchangeableness
• unchangeably
• unchanged
• unchanging
• unchangingness
• unchaperoned
• uncharacteristic
• uncharacteristically
• uncharged
• uncharitable
• uncharitably
• uncharted
• unchartered
• unchaste
• unchastened
• uncheckable