shark

1
[ shahrk ]
/ ʃɑrk /

noun

any of a group of elongate elasmobranch, mostly marine fishes, certain species of which are large, voracious, and sometimes dangerous to humans.

Idioms

    jump the shark, Informal. to begin a decline in quality, popularity, relevance, etc., after reaching a peak: Some TV shows have jumped the shark once a popular cast member left the show.

Origin of shark

1
First recorded in 1560–70; origin uncertain
Related formsshark·like, adjective

Definition for shark (2 of 2)

shark

2
[ shahrk ]
/ ʃɑrk /

noun

a person who preys greedily on others, as by cheating or usury.
Informal. a person who has unusual ability in a particular field.

verb (used with object)

Archaic. to obtain by trickery or fraud; steal.

verb (used without object)

Archaic. to live by shifts and stratagems.

Origin of shark

2
1590–1600; < German dialect Schork, variant of Schurke rascal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for shark

British Dictionary definitions for shark (1 of 2)

shark

1
/ (ʃɑːk) /

noun

any of various usually ferocious selachian fishes, typically marine with a long body, two dorsal fins, rows of sharp teeth, and between five and seven gill slits on each side of the head
Derived Formssharklike, adjective

Word Origin for shark

C16: of uncertain origin

British Dictionary definitions for shark (2 of 2)

shark

2
/ (ʃɑːk) /

noun

a person who preys on or victimizes others, esp by swindling or extortion

verb

archaic to obtain (something) by cheating or deception

Word Origin for shark

C18: probably from German Schurke rogue; perhaps also influenced by shark 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012