The state or characteristic of being monosyllabic.
1976, Yuen Ren Chao, Aspects of Chinese Sociolinguistics, ISBN 9780804709095, p. 93:The monosyllabicity of Chinese morphemes and units of writing has certain advantages in the use of operational synonyms of symbols under varying conditions of use.
1996, Joan Collins, Infamous, ISBN 9780451188052, p. 113:He was attractive, in a sinister yet compelling way, but taciturn to the point of monosyllabicity.
2001, Anatoly Liberman(ed. and translator), N. S. Trubetzkoy: Studies in general linguistics and language structure, Duke Univ. Press, ISBN 9780822322993, p. 69:It has often been claimed that linguistic evolution leads toward monosyllabicity and that an artificial international language should therefore contain no disyllabic words.