Crossword Clue:

the use of sign language

AnswerCrossword Clue
KOKOGorilla trained to use sign language
KOKOGorilla famously taught to use sign language
IMAGERYThe use of figurative language
EPEEFrench priest who pioneered the development of sign language
KESHAPop singer who used to use a dollar sign for the third letter of her name
APHASIAImpaired use of language
IDIOLECTIndividual's unique use of language
GRAMMATICALNESSCorrectness in use of language.
PLAINTALKUse of simple, clear language
PURISMStrict use of language, etc.
PURISTOne oversolicitous about use of language.