the GNU version of the Collaborative International Dictionary of English
adj. Using or knowing only one language. Opposite of multilingual.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. using or knowing only one language
n. a person who knows only one language
Word Usage
"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."