しれっと

しれっと
adverb, onomatopoeia
nonchalantly; coolly; as if nothing happened
1. nonchalantly; coolly; brazenly
Acting calm and unaffected, especially in a situation where one might be expected to show embarrassment, guilt, or concern.
遅刻(ちこく)したのにしれっとした(かお)(はい)ってきた。
They came in with a nonchalant face despite being late.
(うそ)をついてもしれっとしている。
Even after lying, they remain cool and unbothered.
(かれ)はしれっと約束(やくそく)(やぶ)った。
He brazenly broke the promise.

USAGE:
しれっと + verb / しれっとした + noun

Describes acting unfazed when one should feel embarrassed or guilty:

  • しれっとした(かお) (a nonchalant face)
  • しれっと(うそ)をつく (to lie brazenly)
  • しれっと(あらわ)れる (to appear as if nothing happened)
  • しれっと()う (to say coolly/brazenly)

NUANCE:
Often implies slight criticism or amazement at someone's audacity or lack of shame. Can be used both negatively (describing shameless behavior) or with grudging admiration for someone's composure.

SIMILAR WORDS:

  • けろっと - nonchalantly, casually (less critical)
  • 平然(へいぜん)と - calmly, composedly (more formal)
  • (すず)しい(かお)で - with a cool face