けろりと

けろりと
adverb
nonchalantly; completely (recovering or forgetting)
informalonomatopoeia
1. nonchalantly; as if nothing happened
Describes someone behaving completely unaffected or unbothered by something that would normally cause distress, embarrassment, or lingering effects.
Even after being scolded, they act as if nothing happened.
Despite failing that badly, they have a completely unfazed expression.
They were crying their eyes out yesterday, but today they're playing happily as if nothing happened.
2. completely (recovering or forgetting)
Describes a complete recovery from illness or a total forgetting of something, with no trace remaining.
The fever went down completely.
I had completely forgotten about the promise.
The cold cleared up completely and they went to school full of energy.

Usage

Most commonly used in the pattern けろりとしている (acting as if nothing happened). Conveys a sense of surprise at how unaffected someone is. Can be slightly critical, implying someone should show more concern or reaction.

Similar words