trisyllabic

adjective

tri·​syl·​lab·​ic ˌtrī-sə-ˈla-bik 

: having three syllables

a trisyllabic word

Word History

Etymology

Latin trisyllabus, from Greek trisyllabos, from tri- + syllabē syllable

First Known Use

circa 1637, in the meaning defined above

Kids Definition

trisyllabic

adjective

tri·​syl·​lab·​ic ˌtrī-sə-ˈlab-ik 

: having three syllables

trisyllable

ˈtrī-ˌsil-ə-bəl

(ˈ)trī-ˈsil-

noun