Definition for Razor-sharp:

• as sharp as a razor

Synonyms for Razor-sharp:

• adj.

  •all (adjective)
  • razor-sharp.
  •sharp (adjective)
  • spiked,
  • needlelike,
  • splintery,
  • knife-edged,
  • aciculate,
  • spikier,
  • tapered,
  • sharpened,
  • acuate,
  • horned,
  • keen-edged,
  • pronged,
  • stinging,
  • salient,
  • spiny,
  • pointy,
  • thorny,
  • Acuminous,
  • tapering,
  • acuminate,
  • Needle-pointed,
  • stabbing,
  • tined,
  • tipped,
  • cuspate,
  • spiky,
  • briery,
  • sharp-edged,
  • Whetted,
  • ground fine,
  • prickly,
  • peaked,
  • cuspidate,
  • spikiest,
  • lancinating,
  • apical,
  • jagged.
  •trenchant (adjective)
  • forcible,
  • acerbic,
  • clear cut,
  • critical,
  • unsparing,
  • dynamic,
  • hurtful,
  • driving,
  • well-defined,
  • forceful,
  • the point,
  • explicit,
  • to the point,
  • powerful,
  • biting,
  • unequivocal,
  • pungent,
  • impressive,
  • vigorous,
  • effectual,
  • crushing,
  • effective,
  • graphic,
  • clear,
  • severe,
  • salty,
  • mordant,
  • clear-cut,
  • crisp,
  • acidulous,
  • energetic,
  • weighty,
  • potent,
  • sententious,
  • astringent,
  • significant,
  • piquant,
  • emphatic.

• n.

  •
  • able,
  • brilliant,
  • quick,
  • wise,
  • clear-sighted,
  • discerning,
  • bright,
  • intelligent,
  • academic,
  • smart.
  •
  • noticeable,
  • visible,
  • obvious,
  • perceptible,
  • show up,
  • identifiable,
  • apparent,
  • plain,
  • manifest.
  •
  • dull.
  •distinct (noun)
  • distinct.

• Other synonyms:

  •
  • razor-edged,
  • serrated.
  •
  • double-edged,
  • left-handed,
  • barbed,
  • Two-edged.

Antonyms for Razor-sharp:

• adj.

  • keen
    moderate, ignorant, pointless, blunt, uninterested, obtuse, idiotic, soothing, nice, mild, sweet, reluctant, kind, unenthusiastic, stupid, dull.
  • sharp
    flat, slow, boring, calm, unintelligent, tasteless, aboveboard, old-fashioned, lazy, bland, frank, low, unstylish, indistinct, benevolent, forthright, indefinite, undefined, honest.
  • stabbing
    smooth.
  • trenchant
    gentle, impotent, frivolous, weak.

• Other antonyms:

  • n.
    natural.