wildcat

/ˈwaɪldˌkæt/
adjective
  1. Done without official approval or authorization, especially in business or labor.
    • The workers organized a wildcat strike to protest the new policy.
    • He made a wildcat investment in a company that didn't exist.
    • The wildcat drilling operation was shut down by the government.
Synonyms
Antonyms
noun
  1. A small to medium-sized wild feline, such as a bobcat or lynx, that is not domesticated.
    • A wildcat was spotted hunting in the forest near the cabin.
    • Wildcats are known for their sharp claws and keen hunting skills.
    • The zoo has a special exhibit featuring wildcats from around the world.
  2. A person who is quick-tempered or aggressive.
    • The coach called him a wildcat because of his fierce playing style.
    • She played the role of a wildcat in the movie, always ready to fight.
    • Watch out for that guy; he's a real wildcat when he's angry.