monosyllabism

[ mon-uh-sil-uh-biz-uh m ]
/ ˌmɒn əˈsɪl əˌbɪz əm /

noun

monosyllabic character.
the use of monosyllables.

Origin of monosyllabism

1795–1805; < Late Latin monosyllab(on) monosyllable + -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019