こっそり (Kossori) is a Japanese adverb meaning “stealthily, secretly, in secret”.
Meanings
- adverb, adverb (to)stealthily; secretly; in secret
Examples
こっそり家に忍び込む。
I steal into the house.
彼はこっそりささやいた。
He whispered slyly to me.
泥棒はこっそり家に入った。
The thief slipped into the house.
Sentences from Tatoeba (CC BY 2.0 FR).