smile

As a noun smile

is 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.

As a verb smile

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

As an adjective undefined is

lacking a definition or value.

As nouns the difference between smile and rutabaga

is that smile is 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 while rutabaga is (north america) the swede, or swedish turnip; the european plant brassica napus .

As a verb smile

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

In transitive terms the difference between smile and smell

is that smile is to express by smiling while smell is to sense a smell or smells.

In intransitive terms the difference between smile and smell

is that smile is to be propitious or favourable; to countenance while smell is to have a particular smell, whether good or bad; if descriptive, followed by "like" or "of".

As nouns the difference between smile and smell

is that smile is 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 while smell is a sensation, pleasant or unpleasant, detected by inhaling air (or, the case of water-breathing animals, water) carrying airborne molecules of a substance.

As verbs the difference between smile and smell

is that smile is to have (a smile) on one's face while smell is to sense a smell or smells.

In transitive terms the difference between smile and simmer

is that smile is to express by smiling while simmer is to cause to cook or to cause to undergo heating slowly at or below the boiling point.

In intransitive terms the difference between smile and simmer

is that smile is to be propitious or favourable; to countenance while simmer is to cook or undergo heating slowly at or below the boiling point.

As nouns the difference between smile and simmer

is that smile is 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 while simmer is the state or process of simmering.

As verbs the difference between smile and simmer

is that smile is to have (a smile) on one's face while simmer is to cook or undergo heating slowly at or below the boiling point.

In intransitive terms the difference between smile and joke

is that smile is to be propitious or favourable; to countenance while joke is to do or say something for amusement rather than seriously.

As nouns the difference between smile and joke

is that smile is 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 while joke is an amusing story.

As verbs the difference between smile and joke

is that smile is to have (a smile) on one's face while joke is to do or say something for amusement rather than seriously.

As nouns the difference between sunrise and smile

is that sunrise is the time of day when the sun appears above the eastern horizon while smile is 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.

As an adjective sunrise

is pertaining to an unusually early time of day.

As a verb smile is

to have (a smile) on one's face.

As verbs the difference between glad and smile

is that glad is while smile is (ambitransitive) to have (a smile) on one's face.

As a noun smile is

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.