Synonyms for balloon

Noun

1. balloon, plaything, toy

usage: small thin inflatable rubber bag with narrow neck

2. balloon, lighter-than-air craft

usage: large tough non-rigid bag filled with gas or heated air

Verb

1. balloon, fly, aviate, pilot

usage: ride in a hot-air balloon; "He tried to balloon around the earth but storms forced him to land in China"

2. balloon, inflate, billow, expand

usage: become inflated; "The sails ballooned"