Synonyms for Bubble:

n.

boil over, break down, droplet, clear, boil away, carbonation, atomize, boil up, sac, air bubble, bake, soap bubble. solid, suds, circle, bowl, band, yeast, ball, cone, cream, bulge, coil, spume, crescent. lap, live, go on, wash, proceed, move, go along, remain, hold out, splash, outlive, live on, swash, persist. churn, calm, seethe, smolder, simmer, burn, ferment. chimera, rainbow, illusion, real, pipe dream, castle in the air, dream, fantasy. blob (noun)
splash.
bubble (noun)
burp, house of cards, babble, guggle, eruct, belch, effervescence, gurgle, surf, burble, ripple.
globule of air (noun)
droplet, sac, froth, spume, lather, balloon, effervescence, foam.

v.

bubble (verb)
fizz, spray, foam, cloud, boil, aerate, lather, froth, balloon, effervesce.
foam, froth up, especially with sound (verb)
effervesce, simmer, boil, ripple, gurgle, burble, fizz, seethe, swash, churn, smolder.

Other synonyms:

castle in the air, seethe, atomize, persist, outlive, bake, go along, pipe dream, boil up, boil over, boil away. live on, smolder, proceed, cream, chimera, bowl, remain, rainbow, break down, crescent. churn, bulge, cone, splash, dream. circle, simmer, yeast, ferment. fantasy, illusion, coil. band, lap. ball, wash. burn. live. clear.

Usage examples for bubble

  1. 60 Another may stand by me on thy brink,, And watch the bubble whirled beyond his ken, Which pauses at my feet. – The Complete Poetical Works of Percy Bysshe Shelley Volume III by Percy Bysshe Shelley Edited by Thomas Hutchinson, M. A.
  2. Bubble Hebrew hebel, lit. – Jeremiah by George Adam Smith
  3. And Buccleugh- O Bubble I always liked this so much! – Queen Hildegarde by Laura Elizabeth Howe Richards