Bubble up has 3 different meanings across 1 category:
Verb
Noun
1
Alternative form of bubble-up
Verb
1
move upwards in bubbles, as from the effect of heating; also used metaphorically
"Gases bubbled up from the earth"
"Marx's ideas have bubbled up in many places in Latin America"
2
To move upward in bubbles or in a way suggesting bubbles.
Broader Terms (hypernyms)