1. noun /smaɪl/
A facial expression comprised by flexing the muscles of both ends of ones mouth while showing the front teeth, without vocalisation, and in humans is a common involuntary or voluntary expression of happiness, pleasure, amusement or anxiety.
Shes got a perfect smile.
2. verb /smaɪl/
or To have a smile on ones face
When you smile, the whole world smiles with you.
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