sharpest

1. (of something seen or heard) clearly definedExamples: "a sharp photographic image"; "the sharp crack of a twig"; "the crisp snap of dry leaves underfoot"Synonyms: crisp, sharp

2. ending in a sharp pointSynonyms: acuate, acute, needlelike, sharp

3. having or demonstrating ability to recognize or draw fine distinctionsExamples: "an acute observer of politics and politicians"; "incisive comments"; "icy knifelike reasoning"Synonyms: acute, discriminating, incisive, keen, knifelike, penetrating, penetrative, piercing

4. marked by practical hardheaded intelligenceExamples: "a smart businessman"; "an astute tenant always reads the small print in a lease"; "he was too shrewd to go along with them on a road that could lead only to their overthrow"Synonyms: astute, sharp, shrewd

5. harshExamples: "sharp criticism"; "a sharp-worded exchange"; "a tart remark"Synonyms: sharp, sharp-worded, tart

6. having or emitting a high-pitched and sharp tone or tonesExamples: "a shrill whistle"; "a shrill gaiety"Synonyms: sharp, shrill