say it: BUHB-uhl
bubble is a verb and noun meaning "form, produce, or emit bubbles". It carries 9 recorded senses.
a hollow globule of gas (e.g., air or carbon dioxide)
a speculative scheme that depends on unstable factors that the planner cannot control
“his proposal was nothing but a house of cards”
“a real estate bubble”
a dome-shaped covering made of transparent glass or plastic
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for bubble come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.