balloon

US /bəˈlun/

UK /bəˈlu:n/

B1

noun

  • A large bag filled with hot air or gas, used to carry people in a basket or gondola suspended below
  • Thin bag of rubber filled with air, used as a toy
  • A large bag filled with hot air or gas, used for travelling in the air.
  • A small bag made of thin rubber or plastic which is filled with air or gas, used as a toy or decoration
  • Large air-filled bag to carry people into the air

adjective

  • Shaped like a balloon; full and rounded.

other

  • To swell out in a round shape.
  • To increase rapidly and substantially.
  • To increase rapidly.

verb

  • To grow larger quickly; spring up suddenly
  • To travel in a large balloon

other

  • To cause to swell out in a round shape.

Examples

We went up in a balloon.

helium balloons for the children's party