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shape memory alloy
shape-shifter
shape up
shape-up
shapeless
shapely
shar-pei
sharara
shard
share (1)
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share certificate
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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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