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Definitions

balloon

[buh-loon] / bəˈlun /
NOUN
inflated material or vehicle
Synonyms
STRONGEST
blimp
STRONG
airship bladder dirigible zeppelin
VERB
billow out; bloat
Synonyms
STRONGEST
enlarge expand inflate swell
STRONG
belly bulge dilate distend
WEAK
blow up puff out
Antonyms
STRONGEST
abridge compress contract lessen lower shrink
STRONG
cave in

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.