hot-air balloon,fire balloon,barrage balloon,weather balloon,airship,dirigible,Zeppelin,Montgolfier,envelope,gasbag
go through the ceiling,go through the roof,skyrocket
increase rapidly,soar,rocket,shoot up,escalate,mount,surge,spiral,grow rapidly,rise rapidly
swell (out),puff out/up,bulge (out),bag,belly (out),fill (out),billow (out),blow up,inflate,distend,expand,dilateballoon
a brightly colored rubber sac inflated with air and then sealed at the neck used as a children's toy or a decoration.
a large bag filled with hot air or gas to make it rise in the air typically carrying a basket for passengers.
he set his sights on crossing the Pacific by balloon
a rounded outline in which the words or thoughts of characters in a comic strip or cartoon are written.
a large rounded drinking glass used for brandy and other drinks.balloon
swell out in a spherical shape; billow.
the wind ballooned her sleeves
travel by hot-air balloon.
he is famous for ballooning across oceans