piranha

/pɪˈrɑːnjə/
noun
  1. A small, aggressive freshwater fish with sharp teeth, found in South American rivers, known for biting and feeding in groups.
    • The piranha is famous for its sharp teeth and powerful bite.
    • Swimmers in the Amazon River are warned to avoid areas where piranha are common.
    • A school of piranha can strip an animal to its bones in minutes.
  2. A person who is very aggressive, ruthless, or greedy, especially in business or competition.
    • That lawyer is a real piranha in the courtroom, never letting the other side get a word in.
    • She's a piranha on the soccer field, always fighting for the ball.
    • In the world of high finance, you have to be a piranha to survive.
What does "piranha" mean? | whatsthatwordmean | whatsthatwordmean