What is the particular speech style of an individual called?

The term that describes the particular speech style of an individual is known as idiolect. An idiolect encompasses the unique linguistic characteristics and preferences of a single speaker, including specific vocabulary choices, pronunciations, and grammatical structures. This individualized speech reflects personal experiences and influences that shape how a person uses language in their communication.

Understanding idiolect is important in recognizing how personal identity, social background, and even regional influences can affect the way a person speaks. It highlights the complexity of language use, as each individual's way of speaking can differ vastly from others, even when they belong to the same speech community.

In contrast, dialect refers to a variety of language that is characteristic of a particular group of speakers, typically across a larger geographical area. Sociolect relates to language use among a specific social class or group, highlighting the impact of social factors on language variations. Register pertains to the level of formality or style of language used based on context or audience, focusing on situational aspects rather than individual characteristics.