shark
The definition of a shark is a carnivorous fish in the class Chondrichthyes, or a person who is skilled at deceiving others, or is slang for a person who is an expert in a certain activity.
An example of a famous shark is the shark in the movie Jaws.
An example of a shark is a ruthless car dealer who sells a car for more than its value.
An example of a shark is a tough lawyer who always wins his cases.
verb
Shark is defined as to live by deceiving people.
An example of to shark is to constantly cheat people out of their money to get by.
shark
a person who victimizes others, as by swindling or cheating
SLANGa person with great ability in a given activity; adept; expert
Origin of shark
probably from German schurke, scoundrel, rogue, sharper from Middle High German schurgen, to push, mislead from Indo-European an unverified form sk?u-from base an unverified form sek-, to cut from source saw
ARCHAICto get or live by fraud or stratagems
any of various orders of cartilaginous fishes that are usually large and mostly marine, having a tough, spiny, usually slate-gray skin, separate lateral gill openings, and a slender, rounded body with the mouth on the underside: most sharks are fish-eaters, and some will attack humans
Origin of shark
uncertain or unknown; perhaps akin to shark
shark
noun
Any of numerous cartilaginous fishes of the subclass Elasmobranchii that are chiefly carnivorous and marine. Sharks have a streamlined torpedolike body, five to seven gill openings on each side of the head, a large oil-filled liver, and tough skin covered with small toothlike scales.
Informal A person, such as a loan shark, who takes advantage of the misfortune of others for personal gain.
Informal A person unusually skilled in a particular activity: a card shark.
verb
sharked, sharking, sharks
To obtain by deceitful or underhand means.
To take advantage of others for personal gain, especially by fraud and trickery.
Noun
(plural sharks)
A scaleless, predatory fish of the superorderSelachimorpha, with a cartilaginous skeleton and 5 to 7 gill slits on each side of its head.
Someone who exploits others, for example by trickery, lies, usury, extortion.
Origin
First attested in the 1560s, the word meaning 'scaleless fish' is of uncertain origin: it was apparently brought to England, with a specimen, by John Hawkins. The word may derive from the Yucatec Maya xoc, or it may be an application of the "scoundrel" sense (which derives from the German Schurke (“scoundrel"�)) to the fish; no explanation is agreed upon.
Noun
(plural sharks)
(informal, derogatory) A sleazy and amoral lawyer; an ambulance chaser.
(informal) A relentless and resolute person or group, especially in business.
(informal) A very good poker or pool player.
(sports and games) A person who feigns ineptitudeto win money from others.
Usage notes
The use of the term by people unfamiliar with pool is rarely well perceived by experienced players.
Verb
(third-person singular simple present sharks, present participle sharking, simple past and past participlesharked)
(obsolete) To steal or obtain through fraud.
(obsolete, intransitive) To play the petty thief; to practice fraud or trickery; to swindle.
(obsolete, intransitive) To live by shifts and stratagems.
Origin
From the German Schurke (“scoundrel"�).
Verb
(third-person singular simple present sharks, present participle sharking, simple past and past participlesharked)
(obsolete) To pick or gather indiscriminately or covertly.
Origin
Perhaps from the noun, or perhaps related to shear.
n.
Any of numerous cartilaginous fishes of the subclass Elasmobranchii that are chiefly carnivorous and marine. Sharks have a streamlined torpedolike body, five to seven gill openings on each side of the head, a large oil-filled liver, and tough skin covered with small toothlike scales.
Sentence Examples
There is also a profitable shark fishery in the hands of Arabs.
Hardly of less scientific interest is the Port Jackson shark (Heterodontus).
A, Shark (Lamna cornubica), with long lobe of tail upturned.
The manufacture of cod-liver oil for pharmaceutical purposes is naturally somewhat limited, as Norway, Newfoundland, and latterly also Japan, are more favourably situated as regards the supply of fresh cod, but the technical liver oils (cod oil, shark-liver oil) are produced in very large quantities in Grimsby, Hull, Aberdeen, and latterly also on the west coasts of the United Kingdom.
My guess is that you accept the slim possibility that a shark might get you, and swim in the ocean anyway.