Definition of keenness:
hardheadedness, intelligence, ability, incisiveness, eye, sensitivity, cleverness, pungency, ardor, raciness, acidity, visual acuity, desirousness, hunger, appetite, wit, sting, bite, asperity, tartness, percipiency, sageness, thirst, avidness, discrimination, perceptivity, delicacy, eagerness, judgment, impatience, penetration, readiness, roughness, nose, poignance, sharp, zeal, lust, careful, acridity, acuity, knowingness, avidity, canniness, clear-sightedness, forwardness, acridness, enthusiasm, excitement, poignancy, acrimoniousness, sensitiveness, acrimony, sagacity, acidness, astuteness, sharp-sightedness, acuteness, discernment, acumen, insight, foxiness, bitterness, distinctness, sharpness, shrewdness, perceptiveness, percipience, caginess, perspicacity.
severity (part of speech: noun)
- sharpness (part of speech: noun)
- "The Adventures of Harry Richmond, Complete", George Meredith Last Updated: March 7, 2009.
- "The Bent Twig", Dorothy Canfield.
- "Camping & Tramping with Roosevelt", John Burroughs.