grin

As nouns the difference between grin and caustic

is that grin is a smile in which the lips are parted to reveal the teeth while caustic is any substance or means which, applied to animal or other organic tissue, burns, corrodes, or destroys it by chemical action; an escharotic.

As a verb grin

is to smile, parting the lips so as to show the teeth.

As an adjective caustic is

capable of burning, corroding or destroying organic tissue.

As a noun grin

is .

As a proper noun green is

.

As an adjective green is

(politics) of, or pertaining, to a green party.

As nouns the difference between flea and grin

is that flea is feast, banquet (especially a drinking feast) while grin is .

As an adjective serious

is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.

As a noun grin is

.

As a noun grin

is .

As a pronoun bear is

.

As nouns the difference between grin and gloat

is that grin is while gloat is an act or instance of gloating.

As a verb gloat is

to exhibit a conspicuous sense of self-satisfaction, often at an adversary's misfortune.

As nouns the difference between grin and howl

is that grin is while howl is the protracted, mournful cry of a dog or a wolf, or other like sound.

As a verb howl is

to utter a loud, protracted, mournful sound or cry, as dogs and wolves often do.

In transitive terms the difference between skin and grin

is that skin is to cover with skin, or as if with skin; hence, to cover superficially while grin is to express by grinning.

In intransitive terms the difference between skin and grin

is that skin is to become covered with skin while grin is to smile, parting the lips so as to show the teeth.

As nouns the difference between grin and scowl

is that grin is while scowl is the wrinkling of the brows or face in frowning; the expression of displeasure, sullenness, or discontent in the countenance; an angry frown.

As a verb scowl is

to wrinkle the brows, as in frowning or displeasure; to put on a frowning look; to look sour, sullen, severe, or angry.

In intransitive terms the difference between grin and simper

is that grin is to smile, parting the lips so as to show the teeth while simper is to smile in a foolish, frivolous, self-conscious, coy, or smug manner.

In obsolete terms the difference between grin and simper

is that grin is a snare; a gin while simper is to glimmer; to twinkle.