noun
smiling face; beaming face
Describes a face with a broad, cheerful smile, often from happiness or amusement.
彼女はいつもにこにこ顔で挨拶してくれる。
She always greets me with a beaming smile.
赤ちゃんのにこにこ顔を見ると元気が出る。
Seeing the baby's smiling face cheers me up.
Compound of the mimetic adverb にこにこ (smilingly) and 顔 (face).