What does «monosilábico» mean in Spanish?

Consisting of only one syllable (monosyllable). The RAE indicated (year 2010) that monosyllabic words should never be accented, except in cases of diacritical stress such as "él" (personal pronoun) and "el" (masculine article) to distinguish them.

Examples of use in Spanish: "son palabra monosilábicas: fue, ser, guion, bien, clan, sed, ser".

"según actual Ortografía de la lengua española (2010), la palabra monosilábica guion no debe tildarse".
Consisting only of monosyllabic words. For example, Chinese is a monosyllabic language.

Examples of use in Spanish: "lenguaje monosilábico".
Related to monosyllables or tending to use them.

Examples of use in Spanish: "estás monosilábica hoy, ¿te pasa algo?"

"adolescente monosilábico".

"hombre monosilábico".
(lengua monosilábica) That language which is generally made up of words of only one syllable.