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Definition of shark noun from the Oxford Advanced Learner's Dictionary

shark

noun
 
/ʃɑːk/
 
/ʃɑːrk/
Idioms
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  1. a large sea fish with very sharp teeth and a pointed fin on its back. There are several types of shark, some of which can attack people swimming.
    • a fatal shark attack
    • The boat went down in shark-infested waters off the coast of South Africa.
    • The dark shapes of half a dozen sharks circled beneath the boat.
    see also basking shark, great white sharkTopics Fish and shellfisha2
    Oxford Collocations Dictionaryadjective
    • killer
    • man-eating
    shark + verb
    • attack somebody
    • bite somebody
    • feed
    shark + noun
    • attack
    • fin
    • tooth
    See full entry
  2. (informal, disapproving) a person who is dishonest in business, especially somebody who gives bad advice and gets people to pay too much for something see also loan sharkTopics Businessc2
  3. Word Originsense 1 late Middle English: of unknown origin.sense 2 late 16th cent.: perhaps from German Schurke ‘worthless rogue’, influenced by shark, the animal.
Idioms
jump the shark
  1. (used especially about a television series, etc.) to include something that is very hard to believe as an attempt to keep people watching, usually a sign that the show is not as good as it used to be
    • Has the show finally jumped the shark?
See shark in the Oxford Advanced American Dictionary
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noun
 
 
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Plants and trees
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