Definition of "trilingual" [tri•lin•gual]

Using or able to use three languages, especially with equal or nearly equal fluency. (adjective)
Of, relating to, or expressed in three languages. (adjective)
A person who is able to use three languages, especially with equal fluency. (noun)

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.

Use "trilingual" in a sentence

"It was assumed earlier that differences in the brain would only occur if a person is bi - or trilingual, that is with a very high command of different languages."
"No wonder (in 1925) Hans Arp and El Lissitzky co-authored the trilingual Kunstismen (Isms in Art in English)."
"As I am Norwegian, work in English, and live in Korea (married to a Korean, trilingual kids), I think it is absolutely ridiculous that Windows doesn't come with all relevant languages built in for all versions."

Words like "trilingual"

anticipative content elucidative fifty-ninth

first-century

half-obliterated

ideographic multilingual

ogam orthographic shut-in trilingualism

trilingually

two-line undeciphered unlifelike