- 1a small bag made of very thin rubber that becomes larger and rounder when you fill it with air or gas. Balloons are brightly colored and used as decorations or toys to blow up/pop a balloon My balloon has burst! A thousand balloons were released to mark the event. compare trial balloon
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
- 2= hot-air balloon Idioms
to be very unsuccessful; to not be accepted by people My suggestion went over like a lead balloon.
Check pronunciation: balloon