1.
one after another, in quick succession
Describes doing something continuously and without pause, often implying abundance or lack of restraint.
じゃんじゃん is an onomatopoeic adverb suggesting the sound of continuous action (like a ringing bell or cymbal). It implies doing something freely, abundantly, and without hesitation.
Common patterns
- じゃんじゃん使う (use freely/spend freely)
- じゃんじゃん来る (come pouring in)
- じゃんじゃん言う/聞く (speak/ask without hesitation)
- じゃんじゃんやる (do without restraint)
Register: Casual/colloquial. Often used in spoken Japanese.