Knife
Knife noun - An instrument with a metal length that has a sharp edge for cutting.
Usage example: be careful in using the knife to split open the cardboard box
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Synonyms for Knife
Switchblade and knife are semantically related in cutting tool topic. In some cases you can use "Switchblade" instead a noun "Knife".
Switchblade
Switchblade noun - A pocketknife with a blade that springs open at the press of a button.
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Synonyms for Switchblade
Knife and switchblade are semantically related in arm topic. You can use "Knife" instead a noun "Switchblade".
Mutual synonyms
Both words in one sentence
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While not knife nuts per se, Rydell and Chevette wind up carrying a ceramic switchblade and a knife with a pattern-welded blade made from the drive chain of a 1952 Vincent Black Lightning, respectively.
Source: Knife Nut -
This strip during the "2007 Super Special": All Bun-bun has is a butter knife instead of his switchblade, so they have to enact his violent acts verbally.
Source: Saying Sound Effects Out Loud -
Reverse Grip: An important plot point is how unlikely it is for any experienced knife fighter to use a switchblade this way.
Source: Film / 12 Angry Men
Cite this Source
Switchblade and Knife. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/knife/switchblade
Knife & Switchblade. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/knife/switchblade>.
Switchblade or Knife. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/knife/switchblade.
Google Ngram Viewer shows how "knife" and "switchblade" have occurred on timeline