Giggle vs. Smile

Giggleverb

To laugh gently or in a high-pitched voice; to laugh in a silly or giddy way.

Gigglenoun

A high-pitched, silly laugh.

Gigglenoun

(informal) Fun; an amusing episode.

Giggleverb

To laugh with short catches of the breath or voice; to laugh in a light, affected, or silly manner; to titter with childish levity.

Gigglenoun

A kind of laugh, with short catches of the voice or breath; a light, silly laugh.

Gigglenoun

a foolish or nervous laugh

Giggleverb

laugh nervously;

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.

Smileverb

(ambitransitive) To have (a smile) on one's face.

Smileverb

(transitive) To express by smiling.

Smileverb

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

Smileverb

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

Smileverb

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

Smileverb

To express amusement, pleasure, moderate joy, or love and kindness, by the features of the face; to laugh silently.

Smileverb

To express slight contempt by a look implying sarcasm or pity; to sneer.

Smileverb

To look gay and joyous; to have an appearance suited to excite joy; as, smiling spring; smiling plenty.

Smileverb

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

Smileverb

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

Smileverb

To affect in a certain way with a smile.

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.

Smilenoun

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

Smilenoun

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

Smilenoun

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

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;

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.