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sharkskin
sharksucker
sharon fruit
Sharon, Plain of
sharp
sharp-eyed
sharp-nosed puffer
sharp-shinned hawk
sharp-sighted
sharp-tailed grouse
sharp-tailed sparrow
sharp-tongued
sharp-witted
sharpbill
sharpen
sharper
Sharpeville
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shark

shark [ shaark ]


noun  (plural sharks)
Definition:
 
1. carnivorous fish: a carnivorous fish with a long body, two dorsal fins, sharp teeth, a cartilaginous skeleton, and thick, rough skin. Class Chondrichthyes.

2. ruthless person: a ruthless greedy person ( informal )

3.  ( informal )
Same as  loan shark


4. U.S. especially talented person: somebody with a particular talent



intransitive verb  (past and past participle sharked, present participle shark·ing, 3rd person present singular sharks)
Definition:
 
cheat others professionally: to make a living as a cheater or fraud

[Mid-16th century. Origin ?]

jump the shark to do something atypical or out of place that seems to mark the beginning of an inevitable decline in quality or popularity (informal)

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