The action or motion of something that bubbles.

simple past tense and past participle of bubble

plural of bubbling

to mark a response on a form, particularly on a multiple-choice exam, by filling in a circular area (‘bubble’)

present participle of bubble in

simple past tense and past participle of bubble in

Third-person singular simple present indicative form of bubble in

plural of hubbly bubbly

plural of hubbly-bubbly

(sports, particularly NCAA basketball, and some esports, particularly Rocket League) A team on the bubble for an upcoming tournament.