Synonyms of razor-sharp

1 Syllable

tart, fine, strong, sharp

2 Syllables

stabbing, horned, caustic, trenchant, tined, cutting, pointed, edged, honed, acid, sharpest

3 Syllables

sardonic, extreme, quick-witted, observant, apical, splintery, acuate, keen-edged, sharp-edged, unblunted, acute, intense

4 Syllables

perceptive, knifelike, lancinating, incisive, penetrating, knife-edged, needle-pointed, needlelike, satirical