ころっと

adverb

with a little roll; rolling once

Describes a small object rolling once, often into a hole or gap. Mimetic word.

• ビー玉だまが床ゆかに落おちて、ころっと転ころがった。

  The marble fell on the floor and rolled a little.

adverb

easily; suddenly; completely

Used with verbs of change, forgetting, or falling, emphasizing that something happens in a quick, effortless, or complete manner. Often collocates with 忘れる, 変わる, 寝る, etc.

• 彼かれの名な前まえをころっと忘わすれてしまった。

  I completely forgot his name.

• 彼かの女じょは疲つかれて、ソファでころっと寝ねてしまった。

  She was so tired that she suddenly fell asleep on the sofa.

adverb

disappointingly; let down

Expresses a sense of anticlimax or disappointment when something turns out to be less than expected. Often used with 終わる or similar verbs.

• 楽たのしみにしていた映えい画がが、ころっとつまらなく終おわった。

  The movie I was looking forward to ended disappointingly.

adverb

curling up; falling asleep suddenly

Describes curling up into a ball, often like a fetal position, or falling asleep quickly and deeply. Mimetic for a small, round shape or sudden sleep.

• 寒さむくて布ふ団とんの中なかでころっと丸まるまった。

  It was cold, so I curled up into a ball under the futon.