razor edge
ra·zor edge (also ra·zor's edge) • n. a sharp edge of a knife, ax, or similar implement. ∎ fig. a state of sharp incisiveness: he had honed his mind to a razor edge. ∎ (the razor edge) fig. the most advanced stage in the development of something; the cutting edge: in 1960 jet planes were the razor edge of chic.PHRASES: on the razor's edge in a precarious or dangerous position: it is commonplace to believe that Finns live on the razor's edge, at the mercy of their powerful neighbor.DERIVATIVES: ra·zor-edged adj.
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Cut , cut / kət/ • v. (cut·ting ; past and past part. cut ) [tr.] 1. make an opening, incision, or wound in (something) with a sharp-edged tool or object:… neighbor , neighbour •abba, blabber, dabber, grabber, jabber, stabber, yabber •Alba, Galba •amber, camber, caramba, clamber, Cochabamba, gamba, mamba, Maramba,… incision , incision •abrasion, Australasian, equation, Eurasian, evasion, invasion, occasion, persuasion, pervasion, suasion, Vespasian •adhesion, cohesion, Fri… cutout , cut·out / ˈkətˌout/ (also cut-out) • n. 1. a shape of a person or thing cut out of cardboard or another material. ∎ fig. a person perceived as charac… sigma-t density , sift / sift/ • v. [tr.] put (a fine, loose, or powdery substance) through a sieve so as to remove lumps or large particles: sift the flour into a lar… cutter , cut·ter / ˈkətər/ • n. 1. a person or thing that cuts something, in particular: ∎ a tool for cutting something, esp. one intended for cutting a parti…
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razor edge