Synonyms of balloon in English:

balloon


See definition of balloon

noun

1

SYNONYMS
hot-air balloon, fire balloon, barrage balloon, weather balloon
airship, dirigible, Zeppelin, Montgolfier
envelope, gasbag
informal blimp

verb

1‘the slack sail was ballooning in the squall’

SYNONYMS
swell, swell out, puff out, puff up, bulge, bulge out, bag, belly, belly out, fill, fill out, billow, billow out
blow up, inflate, distend, expand, dilate
ANTONYMS

sag, flap

2‘the company's debt has ballooned in the last five years’

SYNONYMS
increase rapidly, soar, rocket, shoot up, escalate, mount, surge, spiral, grow rapidly, rise rapidly
informal go through the ceiling, go through the roof, skyrocket
ANTONYMS

plummet