Writing & StyleStyle guide

Formal Writing

Choose formality deliberately. In contexts such as legal material, policies, reports, or high-stakes institutional communication, a formal tone may be expected; in many ordinary professional contexts, a standard tone is clearer and more natural. Avoid treating complexity or stiffness as signs of formality.

Quick answer

Formal writing uses a professional level of distance and controlled language appropriate to the reader, relationship, genre, and purpose. It is not automatically more effective than standard or informal tone, and plain language can still be formal.

Key details

Boundaryformality is a tone choice and does not conflict with plain-language principles
Core Issuematching level of formality to audience, relationship, genre, and purpose
Featuresprofessional distance, controlled vocabulary and structure, with reduced casual slang/idiom where context requires

Further guidance

Audience Check

Identify the relationship you need to create with the reader. Formal tone creates more distance; standard tone is often appropriate for everyday professional communication.

Clarity

Keep sentences direct and concrete. Do not inflate vocabulary, nominalize every verb, or add passive constructions merely to sound formal.

Language Choices

Prefer complete, explicit wording and avoid slang, casual idioms, jokes, or conversational shortcuts when they would undermine the required professional distance.

Worked Example

Instead of “Hey, just wanted to check if you can send this ASAP,” a formal version might read “Please send the signed document by 3 p.m. Friday so the application can be lodged on time.”

Sources and evidence

Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.

  1. Voice and tone (opens in a new tab)Australian Government Style Manual · Defines formal, standard and informal tone by reader relationship and describes contractions, pronouns, idioms, metaphors and context-sensitive limits.
  2. Relate to your readers (opens in a new tab)Australian Government Style Manual · Explains audience-centred choices in tone and familiarity and supports treating informal writing as a register decision rather than unbounded casualness.

Related guides

Writing & Style

Informal Writing

Choose an informal tone because the audience, channel, and relationship support it, not because correctness stops mattering. Social posts, blogs, newsletters, and familiar correspondence may allow more informality; legal, policy, formal reporting, or high-stakes contexts often require a more standard or formal register.

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