List of 426 Sets of Synonyms - How they Differ - Total of 2307 Words - 351

SYNONYMS: sharp, keen, acute.
These adjectives all apply literally to fine edges, points, or tips: a sharp knife; a keen blade; a leaf with an acute end. Figuratively they indicate mental alertness and clarity of comprehension.

Sharp suggests quickness and astuteness: He was a young man of sharp and active intellect.
Keen implies clear-headedness and acuity: Women with keen intelligent minds are making inroads in formerly male-dominated occupations.
Acute suggests penetrating perception or discernment: an acute observer of politics and politicians.