Antonyms of adj trilingual

1 sense of trilingual

Sense 1
trilingual -- (using or knowing three languages; "trilingual speakers")

INDIRECT (VIA multilingual) -> monolingual -- (using or knowing only one language; "monolingual speakers"; "a monolingual dictionary")

Similarity of adj trilingual

1 sense of trilingual

Sense 1
trilingual -- (using or knowing three languages; "trilingual speakers")
       => multilingual (vs. monolingual) -- (using or knowing more than one language; "a multilingual translator"; "a multilingual nation")