Definition of "monolingual" [mon•o•lin•gual]

• Using or knowing only one language. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Loizou, M. and Stuart, M. (2003) “Phonological awareness in monolingual and bilingual English and Greek five-year-olds,” Journal of Research in Reading, Vol. 26 (1), pp 3-18."
• "But, since we no longer have Bubba2 on the scene here, Oscar2 decides to take up the charge and get personal about Bloviator's life, his decisions on where to live, his bad investments, his wife's decision to remain monolingual, etc.etc. etc."
• "Children who were exposed to their primary language 80% of their time were termed monolingual."