adverb, adverb taking the 'to' particle
with bright almond eyes; eyes wide open
Describes a facial expression with large, bright, or wide-open eyes, often with a cute or innocent nuance. Used adverbially with と or as a とする phrase.
See also: きょろり
彼女はきょろんとした目でこちらを見た。
She looked at me with wide, bright eyes.
子犬がきょろんと大きな目を開けて餌を待っている。
The puppy is waiting for food with its big eyes wide open.
adverb, adverb taking the 'to' particle
Rare mimetic use for acting nonchalant or unconcerned, similar to けろり or きょろり. May appear in literary or expressive contexts.
彼は叱られてもきょろんとしていて、反省の色がなかった。
Even when scolded, he remained nonchalant and showed no sign of remorse.