/præŋk/

prank

BrE /præŋk/

NAmE /præŋk/

a trick that is played on sb as a joke

a childish prank

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prank·ster

BrE /ˈpræŋkstə(r)/

NAmE /ˈpræŋkstər/

Student pranksters have done considerable damage to the school buildings.