6 letters · 11 points in Scrabble
noun sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)
noun a quick and penetrating intelligence
originFrom Middle English acuite, acuyte, from Middle French acuité, from Medieval Latin acuitas, irreg., from Latin acuō (“sharpen”).
Etymology from Wiktionary, CC BY-SA 3.0