acuity
Precision of perception
Acuity is sharpness or keenness, especially of perception or intellect.
Visual acuity measures how clearly the eye can distinguish fine detail.
Mental acuity refers to quickness and clarity of thought: Her mental acuity remained sharp into her nineties.
The word appears most often in medical and cognitive contexts.
Keenness of edge, mind, or image
- keennessSharpness of perception
- astutenessShrewd perceptiveness
- shrewdnessKeen practical judgment
- perspicacityKeen mental perception
discernment · incisiveness · penetration · quickness · alertness · cleverness · wit · sagacity
Keenness of edge, mind, or image
- clarityState of being understandable
- visionAbility to see
- sightVisual perception faculty
- focusConcentrated attention point
definition · resolution · crispness · distinctness · precision · detection · perception · eyesight
Responsiveness to stimuli
- hearingPerceiving sound waves
- tasteFlavor perception ability
- smellOlfactory perception
- touchPerceiving through physical contact
perception · detection · sensation · responsiveness · discrimination · threshold · finesse · gustation
Determining size or amount
- assessmentFormal evaluation of worth
- testingExamining to evaluate
- diagnosisIdentification of illness
- impairmentDiminished function or capacity
decline · loss · baseline · screening · evaluation · monitoring · threshold · deficit
sharpness
Keenness of edge, mind, or image
- keennessSharpness of perception
- astutenessShrewd perceptiveness
- shrewdnessKeen practical judgment
perspicacity · discernment · incisiveness · penetration · quickness · alertness · cleverness · wit · sagacity · intelligence
sharpness
Keenness of edge, mind, or image
focus · definition · resolution · crispness · distinctness · precision · detection · perception · eyesight · 20/20
sensitivity
Responsiveness to stimuli
touch · perception · detection · sensation · responsiveness · discrimination · threshold · finesse · gustation · olfaction
measurement
Determining size or amount
- assessmentFormal evaluation of worth
- testingExamining to evaluate
- diagnosisIdentification of illness
impairment · decline · loss · baseline · screening · evaluation · monitoring · threshold · deficit · recovery
- visionsharp, eye, visual perception, sight, eyes
- cognitionthinking, reasoning, thought, cognition, remembering
- awarenessalertness, aware, attention, cognizance, conscious
- intellectintelligence, intellect, brainpower, mind, cognition
- mental agilityquick wit, mental flexibility, sharp mind, quick-witted, sharp-witted
- mental claritymental clarity, lucidity, clear thinking, clear head, clear-headedness
acuitydullness
Lack of stimulation
blurriness · blur · dimness · impairment · fuzziness
acuitydullness
Lack of stimulation
obtuseness · stupidity · denseness · slow-wittedness · dimness
- mental acuitySharpness of thought
- visual acuityClarity of eyesight
- visual acuity testAssessment of sight sharpness