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razor-sharp

razor-sharp

8 4.1
Able to cut very easily with a thin hard edge, like a knife
  • adjective
  • /ˈreɪzər ʃɑrp/
translation icon : afilado como una navaja
  • The chef used a razor-sharp knife to slice the vegetables with precision.
  • razor-sharp blade
  • razor-sharp knife
  • razor-sharp edge

And I do think that a mouthful of razor sharp tacks is dangerous.

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Examples

  • Row upon row of razor-sharp knives hang from nail supports pounded into the wall.

    Fiction book (1992)
  • Spears, swords, razor sharp spikes were fastened to their tusks when needed.

  • I want it so it can cut glass, you know, like razor-sharp.

  • I like to keep mine razor-sharp.

  • So it's just going to be razor sharp slices.

  • Picking up the knife, he runs his finger across the razor-sharp knife blade.

    Fiction book (1996)
  • Enough to turn the surface into a hell of jagged points and razor-sharp edges.

    Fiction book (1991)
  • There's this enormous clock with a huge hand, the edge of which is razor sharp.

    Fiction book (1998)
  • This gigantic creature has razor-sharp wings that can slice through full-grown trees.

  • The serpent's jaws open wide, revealing rows of razor-sharp teeth and a crimson red mouth.

    Fiction book (2000)

Synonyms

sharp
vsrazor-sharp
301 1.0

A thing with an edge that can cut or pierce

is much more intense in cutting force and figurative clarity
keen
vsrazor-sharp
5 3.5

Having a very sharp edge or point that cuts easily

is more extreme in cutting quality and metaphorical acuity
sharp as a tack
vsrazor-sharp
  • Informal
5 6.7

Able to understand new things very quickly

is about physical or intense figurative cutting not only mental speed
sharp-pointed
vsrazor-sharp
1 3.2

Having a very thin end that can prick or cut

is stronger in cutting intensity and wider figurative use
5.0

Very clear and exact so there is no doubt

is the same meaning but differs only in wording or form
knifelike
vsrazor-sharp
6.9

A very sharp pain that feels like being cut

highlights extreme cutting feeling rather than general intense quality
sharpened
vsrazor-sharp
1.8

Having a thin edge or point that can cut

emphasizes exceptional extreme edge rather than mere recent honing

Antonyms

109 1.0

An object with a dull edge or tip that does not cut well

How Sharp

razor-sharp
8 4.1
incisive
  • Formal
8 6.8
sharp
152 3.3
dull
17 1.0

Surface Forms

razor-sharp positive

Morphology

razor-sharp = razor + sharp (transparent) = razor + sharp

The compound literally means 'as sharp as a razor' and is used figuratively as an intensifier of 'sharp', a derivation easily inferred by learners.

Etymology

Razor-sharp comes from razor, the small tool used to 'shave' very close to the skin, and sharp, meaning able to 'cut' easily. So razor-sharp means something is as cutting as a razor, either a very keen edge or a quick, powerful mind.