Mouth movement is a part of facial grammar in sign language. It conveys an adjective, adverb, or another descriptive meaning in association with an ASL word.
|CHA||very big, very large, gigantic, colossal, very tall.|
|long-TH and short-TH||melting (eg. snow, ice, chocolate, decreasing-contact), nothing, sticky (glue), sloppy, careless.||"cheek-puff"||fluffy, chubby, hold back laughter, short-and-sweet "cute".|
Below shows some examples of mouthing that represents a size of a book. Facial grammar is integrated with a classifier (a handshape that represents a group of objects).
A number of the pages of a book is average.
A book is thick in pages. Notice a different handshape from the previous one.
The length of pages of a book is short.