What does こっそり mean?
こっそり is a Japanese adverb meaning “secretly” or “on the sly” in English. It is written as こっそり in hiragana, and kossori in romaji. This word is part of JLPT N2 vocabulary.
Example sentences
彼はこっそり部屋を出た。
He crept out of the room.
母に内緒でこっそりお菓子を食べた。
I secretly ate some sweets without telling my mum.