ニヤリ
Meanings
Adverb
Onomatopoeic
1. meaningfully (smiling, grinning, etc.); suggestively; broadly; sneeringly
Grandma grinned.
Pitch accent
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ニ
ヤリ
Top 6000
Examples (2 in total)
Both of them were wearing wicked grins.
He looked back at me and grinned.