disfluency lack of skillfulness in speaking or writing
skillfulness the state of being cognitively skillful
fluency -
powerful and effective language; "his eloquence attracted a large congregation"; "fluency in spoken and written English is essential"; "his oily smoothness concealed his guilt from the police"
expressive style,
style a way of expressing something (in language or art or music etc.) that is characteristic of a particular person or group of people or period; "all the reporters were expected to adopt the style of the newspaper"
fluency -
The quality of being fluent in a language; A person's command of a particular language.
fluency -
The quality of consistently applying skill correctly in the manner of one well-practiced at it, requiring little deliberate thought to perform without mistakes.