Difference between Grin and Smile

GRIN vs SMILE: NOUN

A snare; a gin.
The act of closing the teeth and showing them, or of withdrawing the lips and showing the teeth; a hard, forced, or sneering smile.
A snare or trap which snaps and closes when a certain part is touched.
The act of withdrawing the lips and showing the teeth; hence, a broad smile; especially, a forced, derisive, sardonic, or vacant smile.
A smile in which the lips are parted to reveal the teeth.
The act of grinning.
The facial expression produced by grinning.
A facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement

A somewhat similar expression of countenance, indicative of satisfaction combined with malevolent feelings, as contempt, scorn, etc.
Gay or joyous appearance.
A facial expression comprised by flexing the muscles of both ends of one's mouth while showing the front teeth, without vocalisation, and in humans is a common involuntary or voluntary expression of happiness, pleasure, amusement or anxiety.
A facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement
The act of smiling; a peculiar change or brightening of the face, which expresses pleasure, moderate joy, mirth, approbation, or kindness; -- opposed to frown.
An expression of the face like that with which a laugh begins, indicating naturally pleasure, moderate joy, approbation, amusement, or kindliness, but also sometimes amused or supercilious contempt, pity, disdain, hypocritical complaisance, or the like. Compare smirk, simper, and grin.
Gay or joyous appearance; an appearance that would naturally be productive of joy: as, the smiles of spring.
Favor; countenance; propitiousness: as, the smiles of Providence.
A drink, as of spirit, taken in company and when one person treats another; also, the giving of the treat: as, it is my smile.

To show the teeth, as a dog; to snarl.
To express with a grin.
To smile broadly, often baring the teeth, as in amusement, glee, embarrassment, or other strong emotion.
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.

To have or form a smile.
To look with favor or approval.
To express cheerful acceptance or equanimity.
To express with a smile.
To be propitious or favorable; to favor; to countenance; -- often with on.
To look gay and joyous; to have an appearance suited to excite joy
To express slight contempt by a look implying sarcasm or pity; to sneer.
To express amusement, pleasure, moderate joy, or love and kindness, by the features of the face; to laugh silently.

To draw back the lips so as to show the teeth set nearly or quite together, as a snarling dog, or a person in pain or anger.
Hence To smile with a similar distortion of the features; exhibit derision, stupid admiration, embarrassment, or the like, by drawing back the lips from the teeth with a smiling expression.
To snarl with, as the teeth in grinning.
To effect by grinning.

To look gay or joyous, or have an appearance such as tends to excite joy; appear propitious or favorable: as, the smiling spring.
To drink in company.
To ferment, as beer, etc.
To express by a smile: as, to smile a welcome; to smile content.
To change or affect (in a specified way) by smiling: with a modifying word or clause added.
To smile at; receive with a smile.
To show a change of the features such as characterizes the beginning of a laugh; give such an expression to the face: generally as indicative of pleasure or of slight amusement, but sometimes of depreciation, contempt, pity, or hypocritical complaisance.

Moron, Jackass, Mood, Buff, Jerk, Emoticon, Idiot, Hair, Butthead, Cheer, Laugh, Smiles, Smirk, Smiling, Smile

Groove, Beam, Hint, Face, Kidding, Happiness, Happy, Flashing, Cheer, Laughing, Laughter, Laugh, Smirk, Grinning, Grin

Fairy, Beam, Moron, Jackass, Mood, Buff, Jerk, Idiot, Hair, Butthead, Cheer, Laugh, Smirk, Smiling, Smile

Groove, Beam, Hint, Face, Kidding, Happiness, Happy, Flashing, Cheer, Laughing, Laughter, Laugh, Smirk, Grinning, Grin

She had a cheesy grin on her face.
Defeated, then his face relaxed into a grin.
Korotir just repeats his statement with a grin.
Sometimes you just gotta grin and bear it.
Samantha whooped, a big grin on her face.
They grin at you and your Inner Child.
Snap, snap, grin, grin, wink, wink, nudge, nudge, say no more.
Bulloch got a grin on his face, Governor Bush got a grin on his face, and they were able to work through it.
Grin has a market capitalization of $30.21 million and approximately $28.46 million worth of Grin was traded on exchanges in the last day.
Be that as it may, your grin itself is a purpose behind others to grin as well.

According to Smile Direct Club, it takes an average of six months to fix a smile with its Invisible Aligner.
Before his illness, a smile on his lips, that smile widened, she had released the second alien as well.
Instructions on how to use the Smile Stretcher for this activity are included in the New smile guide booklet.
Some of his women smile, but the smile combines with the crafty eyes to make a leer.
You ARE absolutely allowed to smile as long as it is a natural looking smile.
Mike brought his smile into the workplace and spread that smile to everyone with whom he came in contact.
To wear a smile, and see that smile reflected on the face of others.
Express Smile Atlanta, and then not even smile to show off their teeth.
Second, smile and strive to see the customer return a smile.
Cover: Let Your Smile Change the World Inside: Your smile makes me smile!