His remarkable memory has lost its acuity, and he tires easily.
The unblinking electronic eye was an extension of his own reflexes and acuity—when the red light went on, all else was excluded.
The portraits of certain artists in this unique volume recite the history of the critic's acuity and clairvoyance.
The doctor must correct, as far as possible, the want of acuity noticed.
When they struck the water there was a hiss, which grew in volume and acuity as they skimmed the waves.
Despite the breadth and acuity of his observations, Granger suggested remarkedly few changes.
The acuity of hearing was no longer so pronounced and the sense of refreshment, although still present, was not intense.
One cannot imagine the degree of sharpness, of acuity, which may be obtained during sleep by these interior sensations.
Careful investigation of olfactory acuteness would reveal the existence of such menstrual heightening of its acuity.
early 15c., from Middle French acuité (16c.) or directly from Medieval Latin acuitatem (nominative acuitas) "sharpness," from Latin acuere "to sharpen," related to acus "needle," acuere "to sharpen," from PIE root *ak- "rise to a point, be sharp" (see acrid).
acuity a·cu·i·ty (ə-kyōō'ĭ-tē)
Sharpness, clearness, and distinctness of perception or vision.