• Keen Definition & Synonyms

  1. (superl.) Acute of mind; sharp; penetrating; having or expressing mental acuteness; as, a man of keen understanding; a keen look; keen features.
  2. (superl.) Bitter; piercing; acrimonious; cutting; stinging; severe; as, keen satire or sarcasm.
  3. (v. i.) To wail as a keener does.
  4. (superl.) Piercing; penetrating; cutting; sharp; -- applied to cold, wind, etc, ; as, a keen wind; the cold is very keen.
  5. (n.) A prolonged wail for a deceased person. Cf. Coranach.
  6. (v. t.) To sharpen; to make cold.
  7. (superl.) Eager; vehement; fierce; as, a keen appetite.
  8. (superl.) Sharp; having a fine edge or point; as, a keen razor, or a razor with a keen edge.

Acute, Bully, Corking, Cracking, Cutting, Dandy, Discriminating, Exquisite, Great, Incisive, Lament, Lancinating, Neat, Peachy, Penetrating, Penetrative, Piercing, Sharp, Smashing, Stabbing, Swell,

• Keener Definition & Synonyms

  1. (n.) A professional mourner who wails at a funeral.

• Keenness Definition & Synonyms

  1. (n.) The quality or state of being keen.

Acuity, Acuteness, Avidity, Eagerness, Sharpness,