Grin vs. Smile

Grinnoun

A smile in which the lips are parted to reveal the teeth.

Smilenoun

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 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.’;

Grinnoun

(obsolete) A snare; a gin.

Smileverb

(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.’;

Grinverb

(intransitive) To smile, parting the lips so as to show the teeth.

‘Why do you grin?’; ‘Did I say something funny?’;

Smileverb

(transitive) To express by smiling.

‘to smile consent, or a welcome’;

Grinverb

(transitive) To express by grinning.

‘She grinned pleasure at his embarrassment.’;

Smileverb

(intransitive) To express amusement, pleasure, or love and kindness.

Grinverb

To show the teeth, like a snarling dog.

Smileverb

(intransitive) To look cheerful and joyous; to have an appearance suited to excite joy.

‘The sun smiled down from a clear summer sky.’;

Grinverb

(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.’;

Smileverb

(intransitive) To be propitious or favourable; to countenance.

‘The gods smiled on his labours.’;

Grinnoun

A snare; a gin.

‘Like a bird that hasteth to his grin.’;

Smileverb

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.’;

Grinnoun

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.’;

Smileverb

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.’;

Grinverb

To show the teeth, as a dog; to snarl.

Smileverb

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.’;

Grinverb

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.’;

Smileverb

To be propitious or favorable; to favor; to countenance; - often with on; as, to smile on one's labors.

Grinverb

To express by grinning.

‘Grinned horrible a ghastly smile.’;

Smileverb

To express by a smile; as, to smile consent; to smile a welcome to visitors.

Grinnoun

a facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement

Smileverb

To affect in a certain way with a smile.

‘And sharply smile prevailing folly dead.’;

Grinverb

to draw back the lips and reveal the teeth, in a smile, grimace, or snarl

Smilenoun

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.’;

Grinverb

smile broadly

‘Dennis appeared, grinning cheerfully’;

Smilenoun

A somewhat similar expression of countenance, indicative of satisfaction combined with malevolent feelings, as contempt, scorn, etc; as, a scornful smile.

Grinverb

express with a broad smile

‘‘My word,’ grinned the delighted man’; ‘she grinned her approval’;

Smilenoun

Favor; countenance; propitiousness; as, the smiles of Providence.

Grinverb

grimace grotesquely so as to reveal the teeth

‘the skull grinned back at him, its eye sockets dark and hollow’;

Smilenoun

Gay or joyous appearance; as, the smiles of spring.

‘The brightness of their [the flowers'] smile was gone.’;

Grinnoun

a broad smile

‘a silly grin’;

Smilenoun

a facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement

Smileverb

change one's facial expression by spreading the lips, often to signal pleasure

Smileverb

express with a smile;

‘She smiled her thanks’;

Smile

A smile is formed primarily by flexing the muscles at the sides of the mouth. Some smiles include a contraction of the muscles at the corner of the eyes, an action known as a Duchenne smile.