Grin vs. Smile

Grin and Smile Definitions
Grin
To smile broadly, often baring the teeth, as in amusement, glee, embarrassment, or other strong emotion.
Smile
A facial expression characterized by an upward curving of the corners of the mouth and indicating pleasure, amusement, or derision.
Grin
To express with a grin
I grinned my approval.
Smile
To have or form a smile.
Grin
The act of grinning.
Smile
To look with favor or approval
Fortune smiled on our efforts.
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Grin
The facial expression produced by grinning.
Smile
To express cheerful acceptance or equanimity
We smiled at the bad weather and kept going.
Grin
A smile in which the lips are parted to reveal the teeth.
Smile
To express with a smile
Grandmother smiled her consent.
Grin
(obsolete) A snare; a gin.
Smile
A facial expression comprised by flexing the muscles of both ends of one's mouth, often showing the front teeth, without vocalisation, and in humans is a common involuntary or voluntary expression of happiness, pleasure, amusement, goodwill, or anxiety.
She's got a perfect smile.
He has a sinister smile.
She had a smile on her face.
He always puts a smile on my face.
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Grin
(intransitive) To smile, parting the lips so as to show the teeth.
Why do you grin?
Did I say something funny?
Smile
(figurative) Favour; propitious regard.
The smile of the gods
Grin
(transitive) To express by grinning.
She grinned pleasure at his embarrassment.
Smile
A drink bought by one person for another.
Grin
To show the teeth, like a snarling dog.
Smile
(ambitransitive) To have (a smile) on one's face.
When you smile, the whole world smiles with you.
I don't know what he's smiling about.
She smiles a beautiful smile.
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Grin
(transitive) To grin as part of producing a particular facial expression, such as a smile or sneer.
He grinned a broad smile when I told him the result.
He grinned a cruel sneer when I begged him to stop.
Smile
(transitive) To express by smiling.
To smile consent, or a welcome
Grin
A snare; a gin.
Like a bird that hasteth to his grin.
Smile
(intransitive) To express amusement, pleasure, or love and kindness.
Grin
The act of closing the teeth and showing them, or of withdrawing the lips and showing the teeth; a hard, forced, or sneering smile.
He showed twenty teeth at a grin.
Smile
(intransitive) To look cheerful and joyous; to have an appearance suited to excite joy.
The sun smiled down from a clear summer sky.
Grin
To show the teeth, as a dog; to snarl.
Smile
(intransitive) To be propitious or favourable; to countenance.
The gods smiled on his labours.
Grin
To set the teeth together and open the lips, or to open the mouth and withdraw the lips from the teeth, so as to show them, as in laughter, scorn, or pain.
The pangs of death do make him grin.
Smile
To express amusement, pleasure, moderate joy, or love and kindness, by the features of the face; to laugh silently.
He doth nothing but frown. . . . He hears merry tales and smiles not.
She smiled to see the doughty hero slain.
When last I saw thy young blue eyes, they smiled.
Grin
To express by grinning.
Grinned horrible a ghastly smile.
Smile
To express slight contempt by a look implying sarcasm or pity; to sneer.
'T was what I said to Craggs and Child,Who praised my modesty, and smiled.
Grin
A facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement
Smile
To look gay and joyous; to have an appearance suited to excite joy; as, smiling spring; smiling plenty.
The desert smiled,And paradise was opened in the wild.
Grin
To draw back the lips and reveal the teeth, in a smile, grimace, or snarl
Smile
To be propitious or favorable; to favor; to countenance; - often with on; as, to smile on one's labors.
Smile
To express by a smile; as, to smile consent; to smile a welcome to visitors.
Smile
To affect in a certain way with a smile.
And sharply smile prevailing folly dead.
Smile
The act of smiling; a peculiar change or brightening of the face, which expresses pleasure, moderate joy, mirth, approbation, or kindness; - opposed to frown.
Sweet intercourseOf looks and smiles: for smiles from reason flow.
Smile
A somewhat similar expression of countenance, indicative of satisfaction combined with malevolent feelings, as contempt, scorn, etc; as, a scornful smile.
Smile
Favor; countenance; propitiousness; as, the smiles of Providence.
Smile
Gay or joyous appearance; as, the smiles of spring.
The brightness of their [the flowers'] smile was gone.
Smile
A facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement
Smile
Change one's facial expression by spreading the lips, often to signal pleasure
Smile
Express with a smile;
She smiled her thanks