Synonyms of shrewdest

1 Syllable
keen, shark, smooth, sly, slick, smart, sharp, deep, wise, wily
2 Syllables
probing, brainy, knowing, heady, savvy, tricky, cunning, prudent, foxy, profound, cutting, piercing, cagey, crafty, artful, canny
3 Syllables
discerning, astute, quick-witted, sensible, streetwise, sagacious, judicious, ingenious, slippery, acute, inside, argute, farsighted, underhand, astucious
4 Syllables
perceptive, penetrating, perspicacious, calculating
5 Syllables
discriminating