adverb, adverb taking the 'to' particle
shooting up one after another; sprouting up all over
Describes things like plants, buildings, or tall objects appearing or growing rapidly in succession, often with a sense of surprise or abundance.
春になると、庭に雑草がにょきにょき生えてくる。
In spring, weeds sprout up all over the garden.
新しいビルがにょきにょき建っている。
New buildings are shooting up one after another.
adverb, adverb taking the 'to' particle
growing rapidly
Emphasizes the speed and noticeable growth of living things, especially plants or children.
この観葉植物はにょきにょき伸びて、もう天井に届きそうだ。
This houseplant has grown so rapidly it's almost reaching the ceiling.
Onomatopoeic word mimicking the sound or image of things sprouting or shooting up quickly. The exact origin is uncertain.