1. (informal) anything big or important

Derived forms: biggies

Encyclopedia: Biggie

• third gear
• third house
• Third Lateran Council
• third law of motion
• third law of thermodynamics
• third man
• third party
• third person
• third power
• third rail
• Third Reich
• third sacker
• third stomach
• third tonsil
• third trimester
• third ventricle
• Third World
• third-class mail
• third-degree burn
• third-dimensional
• third-dimensionality
• third-place finish
• third-rate
• third-rater
• third-year