sprang up
Emerged without warning
Sprang up is the past tense of spring up, meaning to appear or emerge suddenly: New businesses sprang up along the highway.
It suggests rapid, spontaneous growth or arrival—weeds sprang up overnight, towns sprang up around gold strikes, questions sprang up during the meeting.
The phrase implies something arising quickly from nothing visible.
- broke outEscaped or suddenly emerged
- came upWas mentioned or arose
- rose upRebelled or ascended
- came outEmerged or was disclosed
- cropped upAppeared unexpectedly
burst forth · shoot up · materialize · came into being · appear · sprout · bud · pop up · germinate · burst into bloom · outbreak · invent · manifest · erupt · blossom · took root · conceive · rise
existence/presence
sprang upvanished
Disappeared from sight
disappeared · died out · faded away · withered away · collapsed
sprang, spring, springs, sprung, springy, springiness, offspring, wellspring