Roddy Digital

Jargon Buster / Tone of Voice

Tone of Voice.

Brand, Web & Design

How a business sounds in writing and speech, defined so everyone communicates in a consistent, recognisable way.

What is tone of voice?

Tone of voice is the consistent personality a business expresses through its words: the vocabulary it uses, the length of its sentences, how formal or relaxed it sounds and how it handles difficult messages. It applies everywhere the business writes or speaks, from website headlines to proposals, emails and phone scripts. A defined tone of voice is written down in guidelines with examples, so anyone can apply it.

Why it matters

Prospects form an impression of a business from its words long before they meet anyone. A clear, confident voice makes an established firm sound like the expert it is; stiff corporate language makes it sound like everyone else. Consistency matters as much as character. When the website sounds friendly but the proposal reads like a legal document, buyers notice the gap, and it chips away at trust at the point of decision.

The parts that matter

  • Core traits Three or four traits, such as plain-spoken or warm, each with a note on where its limits sit.
  • Vocabulary rules Words you use and words you avoid, including industry jargon and phrases that sound generic.
  • Tone shifts How the voice adapts across contexts, such as a sales page, a complaint reply or a price increase letter.
  • Worked examples Before and after rewrites that show the guidelines working on real copy.

The honest view

Most tone of voice guidelines list traits like "friendly, professional, expert", which describes nearly every business and guides nobody. The useful parts of any guide are the examples and the list of words to avoid. AI writing tools have raised the stakes: generic AI copy has a recognisable sound, and readers increasingly spot it. A well-defined voice, given to those tools as instructions with real examples, is now one of the most practical ways to keep AI-assisted content sounding like your business.

What to do about it

Collect five pieces of writing your business is proud of and five you are not. Compare them and note what differs: sentence length, jargon, warmth, directness. Turn those differences into three or four traits with concrete examples and a list of words to avoid. Share it with everyone who writes for the business, and use it as the brief for any AI tools your team uses for drafting.

Related terms.

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