extreme busyness; hecticness
A formal, literary term describing a state of being overwhelmingly busy or swamped with work. Rare in everyday speech; more common synonyms include 多忙 or 忙殺.
繁劇を極める職務に追われている。
I am swamped with duties that are extremely hectic.
その部署は常
That department is always in a state of extreme busyness.
Compound of 繁 (busy, flourishing) and 劇 (intense, severe). The exact historical derivation is uncertain, but the combination conveys an extreme degree of busyness.