난립해요 · 난립했어요 · 난립할 거예요 · 난립한 (+noun)
to spring up in disorderly numbers, to proliferate
Example
선거를 앞두고 군소 정당들이 난립했습니다.
Ahead of the election, small parties sprang up everywhere.
Word parts
난 disorder+립 stand
Literally 'stand in disorder': too many of something popping up chaotically.
Good to know
Pronounced [날리파다] — ㄴ becomes ㄹ before ㄹ.