as sharp as a knife

  • 1 knife-edged — ˈ ̷ ̷ˌ ̷ ̷ adjective : having an edge like a knife; usually : extremely sharp or precise knife edged pleats a knife edged wit * * * /nuyf ejd /, adj. having a thin, sharp edge. [1860 65] * * * knife edged «NYF EHJD», adjective. having …

    Useful english dictionary

  • 2 sharp·en·er — /ˈʃɑɚpənɚ/ noun, pl ers [count] : a tool or machine that makes something sharp a pencil/knife sharpener …

    Useful english dictionary

  • 3 Knife — (n[imac]f), n.; pl. {Knives} (n[imac]vz). [OE. knif, AS. cn[=i]f; akin to D. knijf, Icel. kn[=i]fr, Sw. knif, Dan. kniv.] 1. An instrument consisting of a thin blade, usually of steel and having a sharp edge for cutting, fastened to a handle, but …

    The Collaborative International Dictionary of English

  • 4 Knife grass — Knife Knife (n[imac]f), n.; pl. {Knives} (n[imac]vz). [OE. knif, AS. cn[=i]f; akin to D. knijf, Icel. kn[=i]fr, Sw. knif, Dan. kniv.] 1. An instrument consisting of a thin blade, usually of steel and having a sharp edge for cutting, fastened to a …

    The Collaborative International Dictionary of English

  • 5 Knife play — is form of consensual BDSM edgeplay involving knives, daggers, and swords as a source of physical and mental stimulation. Knives are typically used to cut away clothing, scratch the skin, remove wax after wax play, or simply provide sensual… …

    Wikipedia

  • 6 knife-edge — [nīf′ej΄] n. 1. the edge of a knife 2. any very sharp edge 3. a metal wedge whose fine edge serves as the fulcrum for a scale beam, pendulum, etc. * * * knife edge (nīfʹĕj ) n. 1. A sharp cutting edge. 2. A sharp, narrow edge or border: “saying… …

    Universalium

  • 7 knife — [nīf] n. pl. knives [ME knif < OE cnif, akin to Ger kneif, ON knīfr < IE * gneibh (> Lith gnaibis, a pinching): for base see KNEAD] 1. a cutting or stabbing instrument with a sharp blade, single edged or double edged, set in a handle 2.… …

    English World dictionary

  • 8 sharp — [adj1] knifelike, cutting aciculate, acuate, acuminate, acuminous, acute, apical, barbed, briery, cuspate, cuspidate, edged, fine, ground fine, honed, horned, jagged, keen, keen edged, knife edged, needlelike, needle pointed, peaked, pointed,… …

    New thesaurus

  • 9 knife-edge — n [singular] 1.) a situation in which the result is extremely uncertain on a knife edge ▪ His future in the job is balanced on a knife edge . ▪ a knife edge vote 2.) a situation which makes someone very anxious on a knife edge ▪ Living with him,… …

    Dictionary of contemporary English

  • 10 knife-point — knifeˈ point noun The sharp tip of a knife (at knife point under threat of injury by a knife) • • • Main Entry: ↑knife …

    Useful english dictionary

  • 11 knife edge — knife′ edge n. 1) the cutting edge of a knife 2) anything with a sharp edge 3) hor a wedge on the fine edge of which a scale beam, pendulum, or the like, balances or oscillates • Etymology: 1810–20 knife′ edged , adj …

    From formal English to slang

  • 12 knife-edge — ► NOUN 1) the cutting edge of a knife. 2) a very tense or dangerous situation. 3) (before another noun ) (of creases or pleats) very fine. 4) a steel wedge on which a pendulum or other device oscillates or is balanced. 5) a narrow, sharp mountain …

    English terms dictionary

  • 13 knife-edge — [nīf′ej΄] n. 1. the edge of a knife 2. any very sharp edge 3. a metal wedge whose fine edge serves as the fulcrum for a scale beam, pendulum, etc …

    English World dictionary

  • 14 Knife — A knife is a handheld sharp edged instrument consisting of handle attached to a blade used for cutting. The knife is a tool that can be used as a weapon. Its origins date as far back as two and a half million years ago, as evidenced by the… …

    Wikipedia

  • 15 Knife sharpening — Knives are sharpened by grinding against a hard rough surface, typically stone, or a soft surface with hard particles, such as sandpaper. For finer sharpening, a leather razor strap, or strop, is often used. The smaller the angle between the… …

    Wikipedia

  • 16 knife — noun 1 tool for cutting ADJECTIVE ▪ blunt, dull (esp. AmE) ▪ sharp ▪ serrated ▪ long ▪ small …

    Collocations dictionary

  • 17 knife edge — noun the sharp cutting side of the blade of a knife • Syn: ↑cutting edge • Hypernyms: ↑edge • Part Holonyms: ↑blade, ↑edge tool * * * 1. the cutting edge of a knife. 2 …

    Useful english dictionary

  • 18 knife — I UK [naɪf] / US noun [countable] Word forms knife : singular knife plural knives UK [naɪvz] / US *** an object with a sharp blade for cutting food You need a sharp knife for the steak. knives and forks a kitchen/bread/carving knife a) an object… …

    English dictionary

  • 19 knife — [[t]na͟ɪf[/t]] ♦♦♦ knives, knifes, knifing, knifed (knives is the plural form of the noun and knifes is the third person singular of the present tense of the verb.) 1) N COUNT A knife is a tool for cutting or a weapon and consists of a flat piece …

    English dictionary

  • 20 sharp — [[t]ʃɑ͟ː(r)p[/t]] ♦♦ sharps, sharper, sharpest 1) ADJ GRADED A sharp point or edge is very thin and can cut through things very easily. A sharp knife, tool, or other object has a point or edge of this kind. The other end of the twig is sharpened… …

    English dictionary


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