[ muhl-ti-sil-uh-buh l ]
/ ˈmʌl tɪˌsɪl ə bəl /
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for multisyllable
Did you have the impression he searched for the multisyllable word?Warren Commission (11 of 26): Hearings Vol. XI (of 15)|The President's Commission on the Assassination of President Kennedy
Multisyllable, mul-ti-sil′a-bl, n. a word of many syllables.