This is the 9515th most frequent Japanese word.
細々
"細々" means "meagerly," "in a small or detailed way," or "quietly and modestly."
Used to describe tasks in detail or in small, careful increments.
細々とした作業が続いている。
The detailed tasks continue.
Used to mean 'frugally' or 'economically' as an adverb describing the careful management of resources.
彼女は家計を細々とやりくりしている。
She is managing the household budget frugally.
Used to describe the way the river flows, implying a thin or delicate stream as an adverb.