intelligence - the ability to comprehend; to understand and profit from experience

steel trap - an acute intelligence (an analogy based on the well known sharpness of steel traps); "he's as sharp as a steel trap"; "a mind like a steel trap"

urgency - pressing importance requiring speedy action; "the urgency of his need"

spicery, spiciness, spice - the property of being seasoned with spice and so highly flavored

acuteness - the quality of having a sharp edge or point

shape, configuration, conformation, contour, form - any spatial attributes (especially as defined by outline); "he could barely make out their shapes through the smoke"

uncloudedness, clarity, clearness - the quality of clear water; "when she awoke the clarity was back in her eyes"

definition - clarity of outline; "exercise had give his muscles superior definition"

discernability, legibility - distinctness that makes perception easy

focus - maximum clarity or distinctness of an image rendered by an optical system; "in focus"; "out of focus"

ill nature - a disagreeable, irritable, or malevolent disposition